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nikitadnepr [17]
4 years ago
6

What are alleles?

Biology
2 answers:
Tatiana [17]4 years ago
8 0

The answer is B

Hope this helped!

Vilka [71]4 years ago
4 0

Answer:

b

Explanation:

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Which phrase best describes homeostasis?<br><br><br> Help me FAST PLEASE?????!!!!!!1
Mekhanik [1.2K]
The cell keeps molecules balanced inside and out hope i was right have a very nice day

8 0
3 years ago
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Urine differs in composition from the fluid that first enters a nephron tubule by filtration because?
AVprozaik [17]

Urine differs in composition from the fluid that first enters a nephron tubule by filtration because <u>filtrate has more salts because of reabsorption and secretion</u>.

Filtrate is the liquid that is formed in the kidneys while urine formation is taking place. Water is the major component of urine, forming about 95% of it while the remaining part is formed by other organic and inorganic constituents.

As blood flows through the glomerulus, blood pressure pushes water and solutes from the capillaries into the capsule through a filtration membrane.

To learn more about composition of urine in the first stage of nephron tubule, here

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6 0
2 years ago
Determine the probability of producing light colored moths if a heterozygous dark male is crossed with a light female moth
Virty [35]

Answer:

1/2 or 50%

Explanation:

Let us assume that the existence of heterozygous dark male means that the dark trait is dominant over the light trait. Hence, the light color trait is recessive.

Let us also assume that the dark color trait is represented by the allele A and the light color trait by allele a.

Heterozygous dark male = Aa

Light female = aa

Crossing the two:

            Aa    x    aa

         Aa   Aa   aa   aa

Aa = dark color = 1/2 or 50%

aa = light color = 1/2 or 50%

<em>Hence, the probability of producing light-colored moths would be </em><em>1/2 </em><em>or </em><em>50%.</em>

5 0
3 years ago
What was Anton van Leeuwenhoeks contribution of cell theory?
True [87]

Answer:

His cell observations have no indication of the nucleus and other organelles found in most living cells, he made use of a microscope containing improved lenses.

Explanation:

None

5 0
3 years ago
If a child has a phenotype of straight hair, (which is a recessive trait) what is the child's genotype? Explain
tankabanditka [31]

Answer:

hh

Explanation:

Because recessive traits are represented with lowercase letters

8 0
3 years ago
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