Chapter 13 - Legacies of human evolutionary history: effects on the individual Flashcards Preview

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Flashcards in Chapter 13 - Legacies of human evolutionary history: effects on the individual Deck (14)
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1
Q

Epigenome

A

The instructions that determine how genes are expressed in a cell

2
Q

Essential Amino Acids

A

the 9 (of 22) amino acids that must be obtained from the food we eat because they are not synthesized in the body in sufficient amounts.

3
Q

Adolescent growth spurt

A

The period during adolescence when well nourished teens typically increase in stature at greater rates than at other points in the life cycle

4
Q

Epigenetics

A

changes in phenotype that are not related to changes in underlying DNA and that may result from the interaction between the genotype and the environment

5
Q

Endocrine Glands

A

Glands responsible for the secretion of hormones in the blood stream

6
Q

Menarche

A

The first menstruation in girls, usually occurring in the early to mid-teens.

7
Q

Menopause

A

The end of menstruation in women, usually occurring around age 50.

8
Q

adolescent growth spurt

A

The period during adolescence when well-nourished teens typically increase in stature at greater rates than at other times in the life cycle.

9
Q

essential amino acids

A

The 9 ( of 22) amino acids that must be obtained from the food we eat because they are not synthesized in the body in sufficient amounts.

10
Q

epigenome

A

The instructions that determine how genes are expressed in a cell.

11
Q

epigenetics

A

Changes in phenotype that are not related to changes in under-lying DNA and that may result from the interaction between the genotype and the environment.

12
Q

endocrine glands

A

glands respon-sible for the secretion of hormones into the bloodstream.

13
Q

senescence

A

Decline in physiological functioning usually associated with aging.

14
Q

pleiotropic genes

A

Genes that have more than one effect; genes that have different effects at different times in the life cycle.