In Pea Plants,purple Flower Color Is Dominant to White Flower

question 48

Multiple Choice

In pea plants,purple flower color is dominant to white flower color.If in the P generation,a pure-breeding white flowering pea plant is crossed with a pure-breeding purple flowering pea plant,what will be the expected genotypes of the F₂ generation?

• A)all homozygous dominant
• B)½ homozygous dominant;½ homozygous recessive
• C)all homozygous recessive
• D)¾ homozygous dominant;¼ homozygous recessive
• E)¼ homozygous dominant;½ heterozygous;¼ homozygous recessive

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Definitions:

Carbon

A chemical element with symbol C, essential as the basis of all known life on Earth, and forms various compounds and exists in different forms like diamond and graphite.

Backbone

The primary support structure for vertebrates, consisting of the spinal column.

Large Molecules

Molecular compounds that have a high molecular weight, demonstrating complex structures and often performing critical roles in biological systems and industrial applications.

Monomers

Monomers are small molecules that can join together with other similar molecules to form polymers.