A cross between two mice with long tails and brown fur produced the four types of offspring as listed.
• Long-tailed with brown fur
• Long-tailed with white fur
• Short-tailed with brown fur
• Short-tailed with white fur
Which genetic mechanism best explains the results of this cross?
A independent assortment
B. Crossing-over
C. gene linkage
D. dependent assortment

Answers

Answer 1

Answer:

B

Explanation:

Answer 2

The genetic mechanism that best explains the results of this cross is independent assortment. The correct option is A.

What is independent assortment?

According to Mendel's law of independent assortment, alleles from two (or more) different genes are sorted into gametes independently of one another.

In other words, the allele received by a gamete for one gene has no effect on the allele received for another gene.

Independent assortment occurs when alleles from at least two genes are assorted into gametes independently.

As a result, the allele inherited by one gamete has no effect on the allele inherited by the other gametes. Mendel observed that the transmission of various genes appeared to be separate events.

Independent assortment is the genetic mechanism that best explains the results of this cross.

Thus, the correct option is A.

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Related Questions

Which of the following best explains the importance of Earth’s crust to living organisms? a. The continental crust allowed the evolution of life on land. B. The crust provides raw materials necessary for life. C. The crust allowed the formation of fossil fuels. D. The rock cycle recycles sedimentary rocks formed from animal shells. Please select the best answer from the choices provided A B C D.

Answers

The statement 'the crust provides raw materials necessary for life' best describes the interaction between Earth's crust and organisms. It is fundamental for the biogeochemical cycles.

Earth's crust consists of a tiny layer on the outside of Earth that accounts for less than one percent (1%) of Earth's volume.

The Earth's crust is essential in biogeochemical cycles that support the continuity of life on the Earth planet.

These biogeochemical cycles include, among others, the carbon cycle, nitrogen cycle, phosphorous cycle, etc.

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Holaaaa
Alguien me puede responder estas preguntas?? las necesito porfa

1. ¿Que estructura tiene el ADN de la banana?

2. ¿Por qué la banana tiene ADN?

3. ¿Cuál es la función del ADN en la célula?

Answers

Answer:

Explanation:

hi

1. Describe the flow of energy from the sun to a producer, like grass, and then to a consumer, like a rabbit. 100 points!!! Not a scam!

Answers

Answer: The sun produces energy to the solar panel the sollaer panel produces energy to my house

Explanation:

The Sun then provides energy to the grass via the photosynthesis process. The rabbit consumes the grass and absorbs its energy.

What is flow of energy?

The flow of energy through living things within an ecosystem is referred to as energy flow.

All living organisms can be classified as producers and consumers, and those producers and consumers can be classified further as a food chain. Each level of the food chain is referred to as a trophic level.

The Sun then provides energy to the grass through photosynthesis. The rabbit consumes and absorbs the grass's energy.

Finally, the snake consumes the rabbit and absorbs its energy. Energy travels from the Sun and is consumed by each consumer along the chain.

Thus, this way, energy flows in an ecosystem.

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help please! (earth science/heat)

Answers

Answer:

4.

Explanation:

melting (changing from a solid to a liquid)

freezing (changing from a liquid to a solid)

evaporation (changing from a liquid to a gas)

and condensation (changing from a gas to a liquid).

What drives subduction at a converging plate boundary?

Answers

Answer:

The geologic features related to convergent boundaries vary depending on crust types. Plate tectonics is driven by convection cells in the mantle. ... Subduction begins when this dense crust converges with less dense crust. The force of gravity helps drive the subducting slab into the mantle

what does it mean for a bacteria or protist to be photosynthetic?

Answers

Answer:

Because we know that photosynthesis is a process that plants use, we can define photosynthetic protists as 'plant-like' protists that get their nutrients by converting sunlight into energy using photosynthesis.

Explanation:

Photosynthetic organisms, also known as photoautotrophs, are organisms that are capable of photosynthesis. Some of these organisms include higher plants, some protists , and bacteria because we know that photosynthesis is a process that plants use, we can define photosynthetic protists as 'plant-like' protists that get their nutrients by converting sunlight into energy using photosynthesis.Protists can be photosynthetic or heterotrophs (organisms that seek outside sources of food in the form of organic material). They also contain chlorophyll, a pigment which absorbs light energy for photosynthesis. Photosynthetic protists are considered plant-like protists.

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Complete the sentence. City leaders can protect environmental quality by choosing __________ like shoreline vegetation to protect their coastal communities.

sea walls
extra sand
carbon reduction
natural solutions

Answers

Answer:

natural solutions

Explanation:

Shoreline vegetation is a natural filter that helps the environment.

PLEASE label this image pleasee

Answers

Answer:

dk

Explanation:

because it's dk u need to add dekk and yes it's uesful

The fern goes through alternation of generations in which there is a Diploid stage and a haploid stage. In the diploid stage under the fern’s leaves there is clusters of sporangium called sorus in which meiosis occurs from the diploids sporocyte creating haploid spores. The haploid spores duplicate through mitosis to turn into a gametophyte. The gametophyte has a upper part which holds the eggs called archegonium and in the lower part where sperm is produced called antheridium.After fertilization occurs the egg duplicates and turns into a zygote and eventually back to a diploid sporophyte firn.

PLEASE HELP!! MULTIPLE CHOICE

Answers

Answer:

theres no image??

Explanation:

Cell processes that increase the surface area of a cell are called:

Answers

Answer:

Answer below

Explanation:

As the radius of a cell increases, its surface area increases as the square of its radius, but its volume increases as the cube of its radius (much more rapidly).Therefore, as a cell increases in size, its surface area-to-volume ratio decreases.Prokaryotic cells have internal folding of the cell membrane which are responsible for certain functions like respiration.These foldings too increase the surface area.

Prokaryotic cells have internal folding of the cell membrane which are responsible for certain functions like respiration. These foldings increase the surface area.

Eukaryotic cells are compartmentalized which is a method to increase the surface area as there are lots of membranes inside the cell across which many processes take place.

In some cells like the ones making the lining of the villi in the small intestine there are folding in the outer cell membrane which also increases the surface area,

Non-motile cilia are structures in a cell membrane that also increase surface area. Non-motile cilia are like oars that push through the cell membrane. They are thinner and longer than microvilli. Non-motile cilia are also called primary cilia.

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What is not a type of arrythmia?

ventricular flutter
atrial flutter
atrial fibrillation
ventricular tachycardia

Answers

Given what we know about anatomy, we can confirm that atrial flutter is the option listed that may not be considered an arrhythmia.

What is an arrhythmia?An arrhythmia is classified as an irregular beating of the heart. What this means is that the heart will beat at rhythms different from the normal. A normal heartbeat can increase or decrease in speed, but as long as the beating follows a regular rhythm it is not considered an arrhythmiaThe atrial flutter can cause the heart to beat much faster than normal but maintains a regularity.

Therefore, since the atrial flutter causes the heart to beat very fast, but maintains a regularity to it, we can confirm that this is not a type of arrhythmia given that an arrhythmia is classified as an irregular beating of the heart.

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Tidal volume is air ________. Group of answer choices forcibly expelled after normal expiration inhaled after normal inspiration exchanged during normal breathing remaining in the lungs after forced expiration

Answers

Answer:

Tidal volume is air *around one half liter*. Group of answer choices forcibly expelled after normal expiration inhaled after normal inspiration exchanged during normal breathing remaining in the lungs after forced expiration

Explanation:

Have a great day!

cholesterol is needed to build call membrane.what is cholesterol

Answers

Answer:

Answer below

Explanation:

Cholesterol refers to a group of chemical compounds. A sterol is a kind of lipid, and cholesterol is one of them. All animal cells produce cholesterol, which is an important structural component of cell membranes. It is a yellowish crystalline solid when chemically separated.

a sterol-type molecule present in most human tissues. Cholesterol and its derivatives are key components of cell membranes and precursors of other steroid chemicals, but a high proportion of low-density lipoprotein in the blood (which delivers cholesterol to the tissues) is linked to a higher risk of coronary heart disease.

Cholesterol is a waxy, fat-like molecule found in all of your body's cells. Cholesterol is required by your body for the production of hormones, vitamin D, and chemicals that aid digestion. Your body produces all of the cholesterol you require.

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He or she are smart he/she is righht

what is the main function of the cell wall in a plant cell

Answers

Answer: provides tensile strength and protection against mechanical and osmotic stress

Explanation:

The main function is so that it protects the cell and strengthens it

HELPPPPPPPPPPPP ASAP PLS I BEG
A: beryllium
B: cobalt
C: magnesium
D: zinc

Answers

ITS B IM PRETTY SURE

Answer:

I think it is B, but I might be wrong

explain the correlation between solar radiation and kelp biomass.

Answers

Given what we know, we can confirm that although sunlight is beneficial to plant growth, intense solar radiation has been proven to be detrimental to the survival of kelp, thus reducing its biomass.

How does solar radiation affect kelp?

Solar radiation is not harmful in very low amounts.

However, when exposed at long intervals or high intensity, it has been shown to cause tissue damage.

This tissue damage will inhibit the kelp's ability to undergo photosynthesis.

This means it will not be able to grow, and its biomass will be reduced.

Therefore, given the effect of solar radiation in damaging the kelp's ability to photosynthesize and thus reducing its growth, we can confirm that intense or prolonged exposure to solar radiation reduces kelp biomass.

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What names are used for the top process (requiring oxygen) and the bottom process (taking place without oxygen)?





Oxygen present → Krebs Cycle → Electron transport chain

Glycolysis
→ Lactic acid fermentation
Oxygen not present →
Alcohol fermentation

What names are used for the top process (requiring oxygen) and the bottom process (taking place without oxygen)?

How many ATP are produced by each process shown?

Answers

Answer:

Processes that takes place with oxygen is aerobic and processes that takes without oxygen is anaerobic.

Glycolysis and Krebs Cycle produces 2 Atp and ETC produces 34 Atp

What are the 3 parts of the digestive system? What does each one do?

Answers

Answer:

The Esophagus, Gastric Chamber and Intestines

Explanation:

esophagus pushes chewed food to stomach by peristalsis. The gastric chamber(stomach) works on digesting the food. The digestion completes in the small intestine and goes through the large intestine which absorbs water and minerals. Then it passes through the Anus and get pooped out.

within a forest ecosystem, there is a large amount of diversity among members of a warbler species. of the following stages of meiosis illustrated for a typical cell, which contributes most to diversity among the warblers?

Answers

Crossing over occurs between homologous chromosomes, and is closely involved in genetic variation. The stage that most contributes to diversity is stage C, where you can see chromosomes after crossing-over.

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There are different mechanisms involved in producing genetic variation among descendants. These are,

Crossing-over between homologous chromosomes (prophase 1), Random lining of homologous chromosomes (metaphase 1),Random fertilization  

The Crossing-over events occur between two homologous chromosomes in the equatorial plane and make the daughter cells genetically different from the original one.

The Chiasma is the position where two homologous chromatids interchange genetic information, giving a place for new genetic material or information to be provided to descendants.

After crossing over, homologous chromosomes get separated again.  

In the attached imaged there are four different stages of meiosis.

Stage C is the one that contributes the most to diversity.

We can see that crossing over has already occurred between homologous chromosomes, and they have already interchanged segments.

In the image you will see the difference between chromosomes that has gone through the crossing over mechanism, and chromosomes that has not. The difference in color represents segments interchange and variation.

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PLEASE HELP. Exposure to certain building materials, such as asbestos, has been linked to certain types of cancer. Individuals with long term exposure often have mutations to tumor suppressing genes like p53. Why does this mutation not get passed on to their offspring?


A. The mutation occurred in their somatic cells.


B. The mutation will fix itself.


C. The mutation occurred in their gametes.


D. Mutations to genes cannot be passed on.

Answers

the answer is a fneuejdjed

Answer:

The answer is A

the study of the function of specific organ systems is called

Answers

Answer:

Systemic Physiology

Explanation:

It is the study of the function of specific organ systems.

Answer:

The study of the function of specific organ systems is called Physiology, while Anatomy is the study of the actual structures within an organism.

-TheUnknownScientist 72

A genetics student is studying a plant that seems to have two Mendelian traits, flower color (red is dominant, and yellow is recessive) and seed color (brown is dominant, and green is recessive).

Use the Table button to create a Punnet square. Your Punnet square should show the possible offspring from one parent that is homologous recessive for both traits and the other parent that is heterogeneous for both traits. For flower color, use F and f, and for seed color, use S and s.

Then, based on the Punnet square you made, answer this question: What are the chances that the offspring will have the red flower, green seed phenotype? Show your work.

Answers

Answer:

Here is the plato answer !!!

   FS         fs       Fs       fS

fs FfSs    ffss     Ffss     ffSs

fs  FfSs    ffss     Ffss     ffSs

fs  FfSs    ffss     Ffss     ffSs

fs  FfSs    ffss     Ffss     ffSs

According to the Punnett square, 4/16       plants will have red flowers and green seeds.

So, (4 ÷16) × 100 = 25% chance of obtaining offspring with red flower and green seed.

Explanation: It's 100% right.

Answer:

The answer is in the picture.

Hope this helps!

Explanation:

Please help if possible !!

Answers

Its B bbbbbbbbbbbbbbbbbbbbbbbbbbb

Which of the following describes asexual reproduction?

Answers

where are the answers at??

chromosomes form during what part of the cell cycle?

Answers

Answer:

Prophase

Explanation:

During the prophase, chromatin condense to form chromosomes that are visible.

Which of these is FALSE?

a
Cells use ATP for cell work
b
Breaking down glucose gives off energy
c
Breaking down ATP gives off energy
d
1 ATP has more energy than 1 glucose

Answers

D is false glucose does have more energy

Answer:

D is false

Explanation:

D is false because after breaking down 1 glucose, around 36-38 ATP will be produced from ADP

A is true because cells use ATP for work

B is true, as breaking glucose makes ATP, which is just stored energy

C is true too, since ATP is an ADP connected to a phosphate. This bond contains energy and detaching the phosphate will power parts of the cell, for instance active transport systems.

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