Inheritance and genetic crosses

Albinism is a recessive genetic disorder in humans, caused by a recessive allele ( $a$ ). The dominant allele is represented by $A$ .

Two parents are heterozygous ( $A a$ ) for the albinism gene.

Complete the Punnett square to show the possible genotypes of their offspring.

	A	a
A
a

[1]

Albinism is a recessive genetic disorder in humans, caused by a recessive allele ( $a$ ). The dominant allele is represented by $A$ .

Two parents are heterozygous ( $A a$ ) for the albinism gene.

Complete the Punnett square to show the possible genotypes of their offspring.

	A	a
A
a

[1]

Inheritance and genetic crosses Questions