Course

Introductory Biology

Study Pack

Set 14 Chromosomes And Human Inheritance

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Question 1

(Multiple Choice)

Free
A woman heterozygous for color blindness (an X-linked recessive allele)marries a man with normal color vision.What is the probability that their first child (male or female)will be color blind?  

A) 25%
B) 50%
C) 75%
D) 100%
E) 0%

Answer

Question 2

(Multiple Choice)

Free
Human skin color is an outcome of interactions among the products of about how many genes?  

A) 5
B) 20
C) 75
D) 150
E) 350

Answer

Question 3

(Multiple Choice)

Free
A transfer of genes between non-homologous chromosomes is known as  

A) crossing over.
B) aneuploidy.
C) trisomy.
D) translocation.
E) duplication.

Answer