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lawyer [7]
3 years ago
5

I need help with this.

Biology
1 answer:
liraira [26]3 years ago
6 0

Answer:

mark most brainliest have a great day

Explanation:

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In animals, the inability to make the pigment melanin results in albinism, a recessive autosomal condition. Two unaffected paren
Fittoniya [83]

Answer: 1/16, or approximately 6.25% (see explanation below)

Explanation:

Answering this question requires two steps.

First, we need to figure out the probability that this couple will have a child with albinism in the first place. We know the following:

- Both parents are unaffected.

- The couple has already had one affected child.

- Albinism follows an autosomal recessive inheritance pattern.

Let ( M = normal gene ) and ( m = mutated gene ). Since the condition is recessive, the affected child can be assumed to have a “mm” genotype. Barring the possibility of a de novo mutation (which are assumed to be rare), the affected child must have inherited one ”m” allele from each parent. Since both of them are unaffected, however, we can assume that they are both carriers (genotype “Mm”). In conclusion, 1/4 of their offspring (25%) <em>for any given pregnancy</em> may be expected to have albinism. See the resulting Punnett square:

<u>       |      M    |      m   </u>

<u>M    |    MM   |    Mm  </u>

<u>m    |    Mm   |    mm  </u>

Note that the question asks about the probability that not one but two consecutive births result in affected children. Since it can be assumed that both events are independent (meaning: the outcome of a pregnancy does not influence the outcome of following ones), we may apply the rule of multiplication for probabilities. The final answer is therefore 1/4 * 1/4 = 1/16.

7 0
3 years ago
I need this urgently pls help<br> its pretty simple :)
Lady_Fox [76]

Answer:

The answer is D. Double Helix

4 0
2 years ago
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Describe the effect of mutation
lilavasa [31]
Some don't have any able to see effects,but some cause diseases
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The<br> part of the body includes structures from the cephalic, cervical, and trunk regions.
gavmur [86]

Answer:

Explanation:

Axial part : includes the head, neck, and trunk.

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3 years ago
Select the correct answer.
Mashutka [201]

Answer:

b!!!!!!!!¡¡!!!!!!!!!!!!

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