PCB 3043 Chapter 9 Questions and
Correct Answers/ Latest Update / Already
Graded
Classify the statement about asexual and sexual reproduction as true
or false:
Offspring may be produced from vegetative tissues of the parent in
asexual reproduction.
Ans: True
Classify the statement about asexual and sexual reproduction as true
or false:
Harmful alleles may only be inherited by some offspring during sexual
reproduction.
Ans: True
Classify the statement about asexual and sexual reproduction as true
or false:
All rights reserved © 2025/ 2026 |
, Page |2
Individuals may engage in costly or risky social behavior when
reproducing sexually.
Ans: True
Classify the statement about asexual and sexual reproduction as true
or false:
Hermaphroditic organisms may self-fertilize to reproduce asexually or
cross-fertilize to reproduce sexually.
Ans: False
Classify the statement about asexual and sexual reproduction as true
or false:
On average, siblings produced asexually share about 50% of their DNA
sequence with each other.
Ans: False
Classify the statement about asexual and sexual reproduction as true
or false:
All rights reserved © 2025/ 2026 |
, Page |3
A diploid parent always passes on two copies of its genes to its
offspring during sexual reproduction.
Ans: False
How does the Red Queen hypothesis explain a fitness benefit of sexual
reproduction?
-Sexually reproducing organisms carefully choose their partners, so
only the fittest individuals mate and produce high quality offspring.
-Offspring produced by sexual reproduction are less likely to inherit
rare genetic disorders than offspring produced by asexual
reproduction.
-Species that use sexual reproduction live longer and produce more
offspring than species that reproduce asexually.
-Sexual reproduction produces genetic variation that allows some
offspring to survive evolving parasites.
Ans: -Sexual reproduction produces genetic variation that
allows some offspring to survive evolving parasites.
Some species of freshwater snails can reproduce both sexually and
asexually, but asexual reproduction yields more offspring. Identify the
condition that favors sexual reproduction.
All rights reserved © 2025/ 2026 |