Sex Linked Traits

I have 2 X chromosomes. What am I?

• Male
• Female

If a trait shows up more commonly in men than women it is probably

• not inherited
• on the x chromosome and dominant
• on the x chromosome and recessive
• on a normal body chromosome

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
• 100% of sons have hemophilia and 100% of daughters are carriers

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Colorblindness is a recessive X-linked disorder.

Which genotype represents a male with normal vision?

• X^N Y^N

• Xⁿ Yⁿ

• X^N Y

• Xⁿ Y

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

• X^BX^b
• X^bX^b
• X^bY
• X^BY

Different variations of a gene are called?

• Alleles
• DNA
• Chromosome
• Gene

The blending of two traits in which one is not completely dominant over the other is known as ---

• incomplete dominance

• codominance