Genetics II

The sex of a child is determined by

• whether the father's sperm contains an x or y chromosome
• whether the mother's egg contains an x or y chromosome
• the age of the parents

Tags

NGSS.HS-LS3-1

Males are more likely to suffer from a sex-linked disease or disorder because

• males are the weaker sex
• males have less DNA
• males have 1 X chromosome, so the disorder is more likely to be expressed

Tags

NGSS.HS-LS3-2

When we say that a woman is a carrier for a genetic disease or disorder it means that

• she has 1 gene, but not the disorder
• she has 2 genes for the disorder
• she can pass the gene only to male children
• she can pass the gene only to female children

Tags

NGSS.HS-LS3-1

If a gene is found only on the X chromosome and not the Y chromosome, it is said to be 

• sex-linked trait
• polygenic trait
• codominant trait
• incomplete dominance trait

Tags

NGSS.HS-LS3-1

Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?

• X^HX^h
• X^hX^h
• X^HX^H
• X^hY

Tags

NGSS.HS-LS3-1

Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?

• X^HX^h
• X^hX^h
• X^HY
• X^hY

Tags

NGSS.HS-LS3-1

A mother is type AB blood and a father is type AB blood. What blood type(s) could their child NOT receive?

• A

• B

• AB

• O

A mother is type A blood and a father is type O blood. What are the possible blood types the child could receive? Select all that apply.

• A

• B

• AB

• O

Tags

NGSS.HS-LS3-1

Which blood type is also known as the universal recipient?

• A

• O+

• AB

• B

This is an example of ___________?

• Incomplete dominance
• Co-Dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2