Chapter 3.3 Flashcards

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1
Q

Endocrine System

A

-system of glands that release hormones into the bloodstream

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2
Q

Hormone

A

-chemical in bloodstream that influences particular organs and glands
-slower action than NTs

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3
Q

Pituitary Gland

A

-master gland
-controlled by hypothalamus
-directs other glands of the body

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4
Q

Oxytocin

A

-a pituitary hormone
-role in birth, love, social behaviours, treatment of outsiders

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5
Q

Adrenal Gland

A

-tissue located on top of kidneys
-release adrenaline and cortisol during states of emotional arousal and stress

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6
Q

Chromosme

A

-inside a cells nucleus
-carries genes
-humans usually have 46 chromosomes

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7
Q

DNA

A

-gene blueprint
-contains cell replication info

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8
Q

Genotype

A

-our genetic makeup
-fixed at birth

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9
Q

Phenotype

A

-observable traits
-interaction between genotype and environment

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10
Q

Behavioural Genetics

A

-examines influence of nature and nurture on psychological trails

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11
Q

Myth 1 of Heritability

A

-heritability applies to a single individual

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12
Q

Myth 2 of Heritability

A

-heritability tells us whether a trait can be changed

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13
Q

Myth 3 of Heritability

A

-heritability is a fixed number

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14
Q

Heritability

A

-% of the variability in a trait across individuals that is due to genes

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15
Q

Behavioural Genetic Studies

A

-track presence of a trait among relatives
-help determine how much genes and environment contribute to a trait

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16
Q

Family Studies

A

-analysis of how characteristic run in intact families

17
Q

Twin Study

A

-analysis of how traits differ in identical vs fraternal twins

18
Q

Adoption Study

A

-analysis of how traits vary in individuals raised apart from biological relatives

19
Q

Epigenetics

A

-further investigation of nature vs nurture