Recent Studies on the Effect of Genetic Relatedness on Helping

question 2

Multiple Choice

Recent studies on the effect of genetic relatedness on helping behavior have demonstrated that __________.

• A)individuals help relatives more than friends and mates only when the cost of the help is very high
• B)individuals help relatives more than friends and mates only when the cost of the help is very low
• C)individuals are more altruistic to non-relatives than relatives,due to fear of retribution
• D)individuals are most altruistic to relatives who are sickly or in need of much help

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Definitions:

Cervix

The lower, narrow part of the uterus that connects to the vagina, playing key roles in childbirth and menstrual flow.

Acrosome

A cap-like structure over the anterior portion of a sperm's head, facilitating the sperm's penetration of the egg.

Enzymes

Organic compounds that markedly increase the speed of nearly all cellular chemical processes.

Zona Pellucida

A thick, glycoprotein layer surrounding the plasma membrane of an oocyte, important for fertilization in mammals.