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Lunna [17]
3 years ago
6

Explain why a person with the aa genotype had very pale skin and hair color

Biology
2 answers:
Digiron [165]3 years ago
6 0
Umm it is because of your genes
sattari [20]3 years ago
5 0
Pale skin and hair could be a recessive trait meaning you need two recessive genes for it to be expressed hence the two little a’s symbolizing two recessive genes
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katovenus [111]
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Describe the life cycle of mushroom in steps.
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What is the significance of a global mean=53?​
tankabanditka [31]

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3 0
3 years ago
Enzyme found in retroviruses that produce dna from an rna template. True or False
grandymaker [24]

Answer:

<h2>True</h2>

Explanation:

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7 0
4 years ago
Tay-Sachs, which is a recessive lethal disease, results only when individuals possess two copies of the disease-causing allele.
VashaNatasha [74]

Answer:

a. Heterozygous individuals may pass on their copy of the disease-causing allele to offspring.

Explanation:

Tay-Sachs, which is a recessive lethal disease  ---- Let say the recessive lethal diseases is s

∴ it only results when an individual posses two copies of the diseases-causing allele i.e two copies of the disease will be ss.

Now, when two hetrozygous individuals crossed , it is obvious that each can pass on their copy of the disease-causing allele to the offspring.

Let show an illustration for the above statement.

Let the heterozygous individual be Ts, if Ts cross with another Ts;

we will have:

Ts × Ts

         T          s

T        TT        Ts

s        Ts          ss

the offspring are TT,Ts,Ts,ss

We can now see how the Heterozygous individuals pass on their copy of the disease-causing allele to the offspring (Ts).

8 0
3 years ago
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