BIOL 322 – Spring 2026 Practice Exam 3 (Chapters 10, 16 & 17) Questions and Review Study Guide

BIOL 322 SPRING 2026
PRACTICE EXAM 3
CHAPTERS 10, 16, AND 17
QUESTIONS WITH
CORRECT AND VERIFIED
ANSWERS

, BIOL 322
Spring 2026
Practice Exam #3

This practice exam has 16 questions -- the real exam will have the usual 20 questions!
Material covers Chapters 10, 16, and 17.

1. Which of the following is true of the gametes of a human female who has nondisjunction of
her X chromosomes in meiosis I?
A) All the gametes contain 23 chromosomes.
B) All the gametes contain 22 chromosomes.
C) All the gametes contain 24 chromosomes.
D) The gametes contain 22 or 24 chromosomes.
E) The gametes contain 22, 23, or 24 chromosomes.

2. Prader-Willi and Angelman syndromes can be caused by which type of chromosomal
mutations, both in connection with chromosome 15?
A) monosomy
B) trisomy
C) mosaicism
D) uniparental disomy
E) random X-inactivation


3. What structure will form during synapsis in Prophase I if there is a partial chromosome
deletion or duplication?
A) tetravalent complex
B) nucleosome
C) inversion loop
D) unpaired loop
E) solenoid


4. Given a chromosome with the gene order, A B C D • E F G H, and an inverted chromosome
with this gene order, A F E • D C B G H, which of the following recombinant chromosomes
would result from a crossover between C and D?
A) A B C C B G H and HGFE•DD•HEFA
B) A B C C B G H and HGFE•DCBGH
C) A B C D • E F A and H•GFEDCBG•H
D) A B C D • E F A and HGFE•DCBGH
E) A B C D E F A and H•GFEDCBG•H