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1) In a triploid of genotype B/b/b, what proportion of gametes will be bb? 2) A

ID: 58404 • Letter: 1

Question

1) In a triploid of genotype B/b/b, what proportion of gametes will be bb?

2) A woman is found to be karyotypically 47, X0 (Turner Syndrome). The absence of a secod sex chromosome could result from (choose any and all that alone could produce the condition)

non-disjunction in a maternal meiocyte at meiosis II.

-non-disjunction in a maternal meiocyte at meiosis I.

-non-disjunction in a paternal meiocyte at meiosis I.

-unequal crossing over.

-non-disjunction in a paternal meiocyte at meiosis II.

-

non-disjunction in a maternal meiocyte at meiosis II.

-non-disjunction in a maternal meiocyte at meiosis I.

-non-disjunction in a paternal meiocyte at meiosis I.

-unequal crossing over.

-non-disjunction in a paternal meiocyte at meiosis II.

Explanation / Answer

Answer 1:)

Answer 2)