Refer to the Following Information to Answer the Questions Below

question 42

Multiple Choice

Refer to the following information to answer the questions below.
Gene S controls the sharpness of spines in a type of cactus. Cactuses with the dominant allele, S, have sharp spines, whereas homozygous recessive ss cactuses have dull spines. At the same time, a second gene, N, determines whether or not cactuses have spines. Homozygous recessive nn cactuses have no spines at all.
-A cross between a true-breeding sharp-spined cactus and a spineless cactus would produce

• A) all sharp-spined progeny.
• B) 50% sharp-spined, 50% dull-spined progeny.
• C) 25% sharp-spined, 50% dull-spined, 25% spineless progeny.
• D) all spineless progeny.
• E) It is impossible to determine the phenotypes of the progeny.

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Definitions:

Productivity

The measure of efficiency of production of goods or services, often quantified as output per unit of input.

Coordinating

The process of organizing activities, tasks, or groups to ensure efficient functioning and achieve specific goals.

Identifying

The process of recognizing or establishing something as being a particular thing.

Replication

The process of duplicating or reproducing a study, experiment, or procedure to verify its results.