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

question 51

Essay

In a certain variety of plants, a cross between a red-flowered plant and a white-flowered plant produced an all-red flower F1.In the F2 there were 140 red, 50 cream, and 65 white.
(a)
Offer an explanation for this F2 ratio.
(b)
What ratio would be produced in a testcross of the F1 hybrid?
(c)
What ratio would be produced if all the white F2 plants were crossed among themselves?


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Sexual Orientation

The enduring pattern of romantic or sexual attraction to persons of the opposite sex, the same sex, both sexes, or neither sex.

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A controversial practice aiming to change an individual's sexual orientation from homosexual or bisexual to heterosexual.

Heterosexual Orientation

A sexual orientation characterized by an emotional, romantic, or sexual attraction to individuals of the opposite sex.

Sexual Orientation

An inherent or immutable enduring emotional, romantic, or sexual attraction to other people, which constitutes part of one's identity.

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