Course

Genetics

Study Pack

Set 4 Sex Determination And Sex Linked Characteristics

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Question 1

(Multiple Choice)

Free
What is the expected outcome for a human embryo with the XXXY chromosome constitution?

A) It would likely develop into a female who will not respond to the hormone testosterone.
B) It would likely develop into a sterile male with reduced testes.
C) It will always abort early in development before birth.
D) It would likely develop into a tall female who may be slightly cognitively impaired.
E) It would likely develop into a fertile man with a completely normal male phenotype.

Answer

Question 2

(Multiple Choice)

Free
In which of the following organisms is gender/sex determined by the temperature during embryonic development?

A) humans
B) mice
C) fruit flies
D) many snakes and birds
E) many turtles and alligators

Answer

Question 3

(Multiple Choice)

Free
An XXY chromosome constitution produces _____ development in humans and _____ development in fruit flies.

A) female; female
B) male; male
C) female; male
D) male; female
E) male, intersex

Answer