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Anna007 [38]
3 years ago
10

How is a recessive allele different from a dominant allele apex?

Biology
2 answers:
Mnenie [13.5K]3 years ago
8 0
For the trait that is coded by a recessive allele to be expressed, the must be homology, which means that an offspring has to inherit that recessive allele from both its parents.

A dominant allele will dominate over the recessive allele, so for the trait coded by a dominant allele to be expressed, the offspring only needs to inherit the allele from one of its parents.

For example: "R" is brown eyes, "r" is blue eyes.
Now you get one R from each of your parents. 
RR (homozygote) = brown eyes
Rr (heterozygote) = brown eyes
rr (homozygote) = blue eyes
Tresset [83]3 years ago
6 0

a recessive allele does not always determine the trait.

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Proteins that are functionally less important for the survival of an organism generally evolve _____ more important proteins.
Reika [66]

Proteins that are functionally less important for the survival of an organism generally evolve faster than more important proteins.

Proteins serve as the building blocks for all of life's essential processes. The proteins evolve along with the genes that create them, adding new functionality or features that may potentially result in the development of new species.

The mutation of amino acid-coding nucleotides and the stabilization of novel variations in the population are the two phases required for protein evolution.

The stability of a protein's folded structure, how well it prevents aggregation, and how well it is chaperoned all affect how quickly it evolves. According to the studies, the degree of a protein's expression has a greater influence on its evolutionary rate than does the protein's functional significance.

To learn more about protein and mutation here,

brainly.com/question/16238140

#SPJ4

7 0
1 year ago
Explain what a mosaic is and then explain why the term fluid mosaic model is used to describe the plasma membrane
zalisa [80]
Fluid mosaic is a term used to describe the current model of the cell membrane. Cell membranes are basically double layers (bilayers) of molecules called phospholipids.A mosaic is a structure made up of many different parts.<span> Mainly because of the way the plasma membrane is made up. It is fluid because it can wave and wobble like fluid, a bit sticky though. Due to the phospholipids sticking together. It is called mosaic because there are various proteins stuck inside the fluid creating a kind of patchwork or mosaic </span>
7 0
2 years ago
Drinking alcoholic or caffeinated beverages increases urine output more than drinking an equivalent amount of water.
olga2289 [7]

Answer:

A) ADH secretion decreases. B) Urine osmolarity decreases.

Explanation:

Antidiuretic Hormone or ADH is responsible for the reabsorption of water through the kidneys.

A) Drinking alcoholic and/or caffeinated beverages decreases the release and effect of ADH so the water does not get absorbed as much as it should, which in turn results in more urination.

B) Osmolarity is a term used to express the concentration of a solution in terms of a certain particle. Since less ADH secretion results in more water being in the urine, this lowers the concentration of the urine. So urine osmolarity would be decreased.

I hope this answer helps.

7 0
3 years ago
Suppose that at a given point along a capillary, the following forces exist: Capillary hydrostatic pressure (HPc) = 30 mmHg Inte
Ainat [17]

Answer:

Suppose that at a given point along a capillary, the following forces exist: Capillary hydrostatic pressure (HPc) = 30 mmHg Interstitial fluid hydrostatic pressure (HPif) = 0 mmHg Capillary colloid osmotic pressure (OPc) = 25 mmHg Interstitial fluid colloid osmotic pressure (OPif) = 2 mmHg. The net filtration pressure at this point in the capillary is <u>7mmHg.</u>

Explanation:

  • Data:

Capillary hydrostatic pressure (HPc) = 30 mmHg

Interstitial fluid hydrostatic pressure (HPif) = 0 mmHg

Capillary colloid osmotic pressure (OPc) = 25 mmHg

Interstitial fluid colloid osmotic pressure (OPif) = 2 mmHg

  • Formula Applied :

Net filtration pressure= hydrostatic pressure gradient -  Oncotic pressure gradient

Hydrostatic pressure gradient = Capillary hydrostatic pressure - Interstitial hydrostatic pressure = 30mmHg - 0 mmHg = 30 mmHg

Oncotic pressure gradient =  Capillary colloid osmotic pressure - Interstitial fluid colloid osmotic pressure =25  - 2 = 23 mmHg

Net filtration pressure= hydrostatic pressure gradient -  Oncotic pressure gradient = 30 mmHg - 23 mmHg = 7 mmHg.

Hence, The net filtration pressure at this point in the capillary is <u>7mmHg.</u>

3 0
2 years ago
Illustrate the relationship between a hypothesis and a prediction.<br><br> HELP PLEASE.
densk [106]
The answer to this question is 

A Hypothesis allows you to make a prediction about future experiments , But a prediction is more specific and Prediction are using forms like ("IF" and "Then") and Hypothesis is more like a regular sentence 

Your Welcome :)
3 0
3 years ago
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