chapter 9

Question 1

__ is the transmission of traits from one generation to the next

Answer 1

Heredity

Question 2

Why were pea plants a good experimental model

Answer 2

You can easily control their reproduction

Question 3

An organism’s genetic makeup is called its

Answer 3

Genotype

Question 4

If both parents are heterozygous for type A blood, what is the chance their offspring will have type O blood

Answer 4

25%

Question 5

Natalie has type O blood and her sister has type AB blood. What are the genotypes of the girls’ parents

Answer 5

IAi and IBi

Question 6

Genes come in different versions called

Answer 6

Alleles

Question 7

What term describes the condition where the two copies are different

Answer 7

Heterozygous

Question 8

Using a standard 52-card deck, what is the probability of being dealt an ace

Answer 8

1/13

Question 9

A man and a woman who are both carriers of anemia have three children without anemia. If the couple has a fourth child, what is the probability that the child will have the disorder?

Answer 9

25%

Question 10

What is meant by a sex-linked gene

Answer 10

A gene that is located on a sex chromosome, usually the X chromosome