Lesson 7

Question 1

Which gender determines the gender of the baby?

Answer 1

The father, because you must get an x from your mother (xx) but you can get an x or y from the dad.

Question 2

What are traits determined by sex chromosomes called?

Answer 2

Sex-linked traits

Question 3

What does being hemizygous mean?

Answer 3

In males, their chromosomes are shorter, meaning they have less room for traits. This is called being hemizygous.

Question 4

What is a recessive trait?

Answer 4

A recessive trait can be masked by a dominant allele. If there is a dominant allele present, the recessive trait will not show

Question 5

What is a dominant trait?

Answer 5

A dominant trait is a trait that can mask a recessive trait.

Question 6

What is an X-Linked trait?

Answer 6

A trait influenced by the x chromosome

Question 7

What is a Y linked trait

Answer 7

A trait influenced by the y chromosome

Question 8

ARE U AMAZING????

Answer 8

YES

Question 9

Link to practice sites

Answer 9

https://www.khanacademy.org/science/biology/classical-genetics/sex-linkage-non-nuclear-chromosomal-mutations/e/sex-linked-traits

https://www.biologycorner.com/worksheets/genetics_xlinked.html#google_vignette