Book 8.4

Question 1

___ pairs of autosomes or non-sex chromosomes

Answer 1

22

Question 2

___ pair of sex chromosomes

Answer 2

1

Question 3

X and Y chromosomes

Answer 3

Male

Question 4

2 X chromosomes

Answer 4

Female

Question 5

The sperm cell will determine the genetic sex of the offspring in humans.

Answer 5

True

Question 6

Conditions that appear more common in either males or females are called _______.

Answer 6

Sex-linked traits

Question 7

______ are more likely to be affected by conditions caused by recessive alleles on the X chromosome.

Answer 7

Males

Question 8

The X and Y chromosomes are called _____ chromosomes.

Answer 8

Sex

Question 9

A human female has two copies of the ___ chromosome; males only have one.

Answer 9

X

Question 10

A trait that is more common in one biological sex than the other is said to be ___ ______.

Answer 10

Sex linked

Question 11

A pedigree is a diagram that shows the relationship among individuals in an extended family along with their _______.

Answer 11

Phenotypes