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bulgar [2K]
3 years ago
6

What would happen if the sister chromatids of one pair did not seperate during anaphase 2 ?​

Biology
1 answer:
zlopas [31]3 years ago
6 0

Answer:

non-disjunction leading to trisomy for that gamete

Explanation:

Even with fertilisation being random, these gametes can still be implemented in fertilisation with a regular gamete causing anueploidy - this is the main cause of down syndrome or trisomy 21

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Definition of cell wall
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svp [43]

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7 0
3 years ago
Read 2 more answers
Congenital analgesia is a rare autosomal recessive trait. What is the likelihood that the first two offspring of a cross between
telo118 [61]

The likelihood that the first two offspring of the cross will have congenital analgesia would be 1/16

<h2>Autosomal Recessive Traits</h2>

For autosomal recessive traits, two recessive alleles are needed for the trait to manifest while one recessive allele means heterozygosity.

In this case, let us assume that congenital analgesia is represented by the allele b; heterozygous individuals will, thus, be Bb.

            Bb    x    Bb

          BB   Bb   Bb   bb

Probability of producing unaffected offspring = 3/4

Probability of producing affected offspring = 1/4

Likelihood of the first two offspring having congenital analgesia = probability of first having congenital analgesia and the second having congenital analgesia

    = 1/4 x 1/4

        = 1/16

More on genetical probabilities can be found here: brainly.com/question/851793?referrer=searchResults

6 0
2 years ago
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