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rewona [7]
2 years ago
14

Explain that variation among offspring is a potential evolutionary advantage resulting from sexual reproduction.

Biology
1 answer:
Schach [20]2 years ago
3 0
The offspring of sexually reproducing organisms are all genetically unique. Because of this, sexually reproducing organisms may have more successful survival of offspring in environments that change than asexually reproducing organisms, whose offspring are all genetically identical.
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Two parents who do not have sickle cell anemia have a child that has the disease. The parents are both:_______
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Answer:D

Explanation:

Both parent are Heterozygous for the sickle cell allele.

Both parent have sickle cell trait in which the both posses one abnormal allele of the hemoglobin beta gene (AS heterozygous genotype)

When two AS parents mate, probability of giving birth to a sickle cell anemia child is 1/4

AS + AS= AA, AS, AS, SS

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Answer:

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2 years ago
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Which is an example of a covalent bond
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What are the steps leading to a cell becoming cancerous
Rufina [12.5K]

Answer:

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Explanation:

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