2400 - Nature, Nurture, and The Developmental Perspective

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Genetic Expression

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15 Terms

1

Genetic Expression

The process of using genetic information to produce proteins, influenced by environmental factors.

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2

Genetic Mutations

Changes in the DNA sequence that may be inherited or caused by environmental factors.

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3

Pleiotropy

A single gene influences multiple traits or behaviors.

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4

Behavioral Genetics

Studies the influence of genetics and environment on behaviors.

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5

Heritability

A statistic indicating the proportion of variability in a trait due to genetics.

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6

Epigenetics

The study of how environmental factors affect gene expression without altering the DNA sequence.

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7

Gene-Environment Correlations

Relationships between genetic predispositions and environmental influences.

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8

Passive Correlation

Genetic predispositions create supportive environments for gene expression.

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9

Evocative Correlation

Genetic traits evoke specific responses from the environment.

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10

Active (Niche-Building) Correlation

Individuals seek environments that match their genetic tendencies.

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11

Polymorphisms

Represent the genetic diversity within a population. Often do not affect the function of genes, but some can influence traits, susceptibility to diseases, or how individuals respond to medications.

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12

Type of Gene Regions

Non-Coding Regions and Coding Regions

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13

Non-Coding Regions

parts of the DNA that do not code for proteins. An example is the promoter region, which acts like an “on/off” switch to control when and where genes are expressed. These regions can be influenced by environmental factors, affecting how genes are turned on or of

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14

Coding Regions

parts of the DNA that contain the instructions for making specific proteins. They directly determine the structure and function of proteins in the body

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15

Twin Studies

Twin studies compare identical (monozygotic) and fraternal (dizygotic) twins to understand the influence of genetics and environment on traits and behaviors

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