To Investigate Environmental Effects on Gene Expression, Ellis and Carney

question 37

Multiple Choice

To investigate environmental effects on gene expression, Ellis and Carney (2011) did which of the following?

• A) They allowed males to interact first with a male and then with a female and examined which genes were expressed during each interaction.
• B) They allowed males to interact with either males or females and examined the genes that were expressed in each group.
• C) They allowed females to interact with males or females and examined gene expression in each group.
• D) They allowed females to interact with males and then females and examined gene expression after each interaction.
• E) They allowed males and females to interact and recorded gene expression in each sex.

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Definitions:

Hermaphroditism

Reproduction in which a single individual produces both eggs and sperm.

Rhythm Method

A method of contraception based on avoiding intercourse during the period of a woman's cycle when she is most likely to conceive.

Spermicidal Foam

A contraceptive foam containing chemicals that kill sperm, inserted into the vagina before intercourse to prevent pregnancy.

Progestin

Progestin is a synthetic form of progesterone, a hormone involved in the menstrual cycle and pregnancy, used in various medications.