Course

Genetics

Study Pack

Set 8 Variation In Chromosome Structure And Number

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Question 1

(Multiple Choice)

Free
Gene duplications may be caused by

A) the crossing over of misaligned chromosomes.
B) deletion of important genetic information.
C) reciprocal translocations.
D) position effect.
E) None of the answers are correct

Answer

Question 2

(Multiple Choice)

Free
Given the following sequence of genes on a chromosome, determine what change in chromosome structure occurred. (the * indicates the centromere) before A B C D * E F G H
After A B C D * E F E F G H

A) Terminal deficiency
B) Interstitial deficiency
C) Inversion
D) Gene duplication

Answer

Question 3

(Multiple Choice)

Free
An inversion heterozygote contains

A) two homologous chromosomes with inversions.
B) two normal chromosomes.
C) one normal chromosome and one chromosome with an inversion.
D) None of the answers are correct

Answer