X-linked Recessive Pedigrees

Why is this pedigree considered to be X-linked and not autosomal?

• It is X-linked because males are affected, not females.

• It is X-linked because both males and females are affected.

• It is X-linked because there is an affected individual in every generation.

• It is X-linked because the trait in question skips a generation.

Why is this pedigree considered to be recessive and not dominant?

• It is recessive because males are affected, not females.

• It is recessive because both males and females are affected.

• It is recessive because there is an affected individual in every generation.

• It is recessive because the trait in question skips a generation.

What is the genotype of II-3?

• X^HY

• X^hY

• X^HX^h

• X^HX^--

What is the genotype of IV-1?

• X^HY

• X^hY

• X^HX^h

• X^HX^--

What is the genotype of II-5?

• X^HY

• X^hY

• X^HX^h

• X^HX^--

What is the genotype of III-3?

• X^HY

• X^hY

• X^HX^h

• X^HX^--

What is the genotype of III-4?

• X^HY

• X^hY

• X^HX^h

• X^HX^--

What is the genotype of IV-2?

• X^HY

• X^hY

• X^HX^h

• X^HX^--

What is the genotype of III-7?

• X^HY

• X^hY

• X^HX^h

• X^HX^--

What is the genotype of IV-2?

• X^HY

• X^hY

• X^HX^h

• X^HX^--