Leaves from two white clover plants, each with a different pattern, are shown.

The leaf patterns are genetically determined by alleles of a single gene. Plant 1 is homozygous for the chevron allele. Plant 2 is homozygous for the oval allele. The chevron and oval alleles are codominant.

If plant 1 and plant 2 are crossed, the codominance of the alleles will most likely result in which of the following leaf patterns on the offspring plants?

In snapdragons, the allele for red flower color (C^R ) is incompletely dominant to the allele for white flower color (C^W ). Snapdragons that are heterozygous for flower color have a pink phenotype.

Which of the following crosses could yield all three flower color phenotypes (red, white, and pink) among the offspring?

In Holstein cattle the allele for black hair color (B) is dominant over the allele for red hair

color (b), and the allele for polled (P), or lacking horns, is dominant over the allele for having

horns (p).

What is the expected phenotypic ratio of the offspring of a BbPp × BbPp cross if these alleles

sort independently?