x linked inheritance

What is the primary function of platelets in the blood?

• To transport nutrients

• To help blood clot

• To fight infections

• To carry oxygen

What is the difference between X and Y chromosomes?

• X and Y chromosomes are the same size

• X chromosomes are larger and contain more genes than Y chromosomes

• X chromosomes determine male traits

• Y chromosomes are larger and contain more genes than X chromosomes

In a Punnett square for sex-linked traits, which chromosome typically carries the trait?

• Y chromosome

• X chromosome

• Neither X nor Y chromosomes

• Both X and Y chromosomes

If a female is a carrier of hemophilia (XHXh) and a male does not have hemophilia (XHY), what is the probability that their child will have hemophilia?

• 0%

• 75%

• 25%

• 50%

Which of the following is NOT true about sex-linked recessive traits?

• They are more common in males

• They require two recessive alleles to be expressed in females

• They are carried on the Y chromosome

• They can be tracked using Punnett squares