Problem

Solutions For An Introduction to Genetic Analysis Chapter 4 Problem 34P

Step-by-Step Solution

Solution 1

A diploid organism containing the genotype A/a; B/b; and D/d has the allelic pairs on different chromosome pairs.

The diagrams show stages in individual cells.

a) The stage shown is Meiosis I, the process of crossing over has occurred between all genes and centromeres.

b) The stage shown is impossible, for the organism.

c) The stage shown is Meiosis I, the process of crossing over has occurred between the B gene and its centromere.

d) The stage shown is Meiosis I.

e) The stage shown is Meiosis II.

f) The stage shown is Meiosis II. The process of crossing over has occurred between genes A and B and their centromeres.

g) The stage shown is Meiosis II.

h) The stage shown is impossible, for this organism.

i) The stage shown is Mitosis.

j) The stage shown is impossible, for this organism.

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