Having white wool (W) is dominant over having black wool (w). A homozygous dominant parent is crossed with a homozygous recessive parent. The Punnett square shows the possible genotypes of the offspring.

Each offspring will express a phenotype of
wool.

An allele is a variant form of the gene, which is present on the same loci of the chromosome as the gene. The allele can have different phenotypic characters.

In the given cross, the purebred dominant for the white wool with purebred recessive for black wool will result in 100% progeny with white wool.

The dominant alleles are those, which are expressed phenotypically in an organism, whereas the recessive allele is masked by dominant and can be expressed in purebred conditions.

In the given dominant for White wool and recessive black wool, the cross is represented in the attachment below.

The cross between purebred dominant for white and purebred recessive for black is:

WW x ww

Therefore, each offspring will exhibit white wool in heterozygous conditions.

To know more about monohybrid cross, refer to the following link:

link

white wool

Explanation:

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