Q3 SW#9 p2 Sex-Linked Traits & Complex Patterns of Inheritance

Hemophilia is a recessive X-linked disorder. According to the Punnett square, what percentage of the offspring will have the disorder?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Duchenne muscular dystrophy is a recessive X-linked disorder. According to the Punnett square, what percentage of the male offspring will have the disorder?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What percentage of the female offspring will be a carrier for this recessive disease?

• 0%
• 50%
• 100%
• 25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Identify the genotype for females.

• XY
• XX
• X
• XXYY

Identify the genotype for males.

• XY
• XX
• XXY
• YY

Which of the following genotypes belongs in the blank box in the Punnett square?

• X^BX^B

• X^bX^b

• X^bY

• X^BY

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In fruit flies, red eye color (R) is a sex-linked trait that is dominant over white eye color (r). According to the Punnett square, what percentage of female offspring will have red eyes?

• 75%

• 25%

• 0%

• 100%

Tags

NGSS.HS-LS3-1

If a woman is a carrier for a sex linked recessive trait of hemophilia and her husband has hemophilia, which of the following is true?

• All sons will have hemophilia
• All daughters will have hemophilia
• 50% of daughters and 50% of sons have hemophilia
• 0% of sons have hemophilia but 100% of daughters are carriers

Tags

NGSS.HS-LS3-1

Colorblindness is a recessive X-linked trait. Which genotype represents a male with normal vision?

• X^NX^N

• XY^N

• X^NY

• XⁿY

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

NGSS.HS-LS3-2