Practice Test

Question 1

How do you know that individual 1 is heterozygous for the trait?

Revolt · Accepted Answer

A: Individual 2 is homozygous recessive, and individuals 5 and 8 did not inherit the dominant trait.

Question 2

Who has hemophilia in the pedigree that is shown?

Revolt · Accepted Answer

B: Fred and Luke

Question 3

What is the probability of the offspring having red-green color blindness for the cross that is represented by the Punnett square?

Revolt · Accepted Answer

D: 25 percent

Question 4

Which individual in the third generation should the cat breeder choose to breed a litter of kittens that are all white?

Revolt · Accepted Answer

A: individual 14

Question 5

Based on this pedigree, which female is least likely to have sons who have hemophilia?

Revolt · Accepted Answer

A: female 8

Question 6

In which of these areas of biology should a genetic counselor be an expert?

Revolt · Accepted Answer

B: Mendelian genetics

Question 7

If Mendel had crossed a true breeding dominant plant with a true breeding recessive plant, in which of the three generations is the recessive trait visible?

Revolt · Accepted Answer

D: cap p  generation and  cap f sub 2  generation

Question 8

Mendel’s pea plants had either purple or white flowers. This means that the plants

Revolt · Accepted Answer

A: have two alleles for the gene.

Question 9

Which are different forms of the same gene?

Revolt · Accepted Answer

A: alleles

Question 10

Which scenario breaks the law of segregation?

Revolt · Accepted Answer

D: a gamete produced has 2 of the same alleles after meiosis II

Practice Test Answers

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