In a Certain Variety of Plants, a Cross Between a Red-Flowered

question 134

Short Answer

In a certain variety of plants, a cross between a red-flowered plant and a white-flowered plant produced an all-red flower F ₁. In the F ₂ there were 140 red-flowered plants, 50 cream-flowered plants, and 65 white-flowered plants.
(a) Offer an explanation for this F ₂ ratio.
(b) What ratio would be produced in a testcross of the F ₁ hybrid?
(c) What ratio would be produced if all the white-flowered F ₂ plants were crossed among themselves?

Understand the biological diversity of sexes beyond the binary concept.

Recognize the stages and processes of sexual and reproductive anatomy development in fetuses.

Identify the role and impact of genetic composition on sexual differentiation.

Comprehend the distinction between sex, gender, and sexual orientation.

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Definitions:

Hypersexuality

A significantly increased libido or an excessive preoccupation with sexual thoughts, urges, or behaviors that can impact one's ability to function.

Patriarchal Nature

Describes a social or cultural system where men hold primary power and predominate in roles of political leadership, moral authority, social privilege, and control of property.

Interracial

Pertaining to or involving people of different racial backgrounds, often used to describe relationships, marriages, or mixed-race individuals.

Economic Hardship

A situation where an individual or community experiences financial stress, often due to unemployment, high living costs, or a decline in economic conditions.