Image That You Self-Pollinate Heterozygous Purple-Flowered, Long-Pollened Pea Plants and Get

question 56

Multiple Choice

Image that you self-pollinate heterozygous purple-flowered, long-pollened pea plants and get mostly purple-flowered, short-pollened plants and white-flowered, long-pollened plants, with a very few purple-flowered, long-pollened or white-flowered, short-pollened plants. What is the most likely explanation?

• A)One of the genes in question resides on a sex chromosome.
• B)The genes are linked.
• C)Long pollen is often lethal, so few plants with long pollen survive to adulthood.
• D)This is a normal random variation from the expected ratio for independent assortment.
• E)The purple allele influences pollen to become shorter.

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Definitions:

Protein

Proteins are large biomolecules essential for structure, function, and regulation of the body's tissues and organs.

Muscular System

The bodily system that is made up of over 600 muscles, facilitating movement of the body, maintains posture, and circulates blood throughout the body.

NADH

Nicotinamide adenine dinucleotide (NAD) in its reduced form, which is a coenzyme involved in making energy in the body through the process of oxidative phosphorylation.

Citric Acid Cycle

A key metabolic pathway that integrates the energy metabolism of carbohydrates, fats, and proteins through the oxidation of acetyl-CoA, producing ATP.