Development 2 Flashcards

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1
Q

Zygote

A

cell contains 23 chromosomes from each parent

quickly divides at exponential rate

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2
Q

Monozygotic Twins

A

genetically identical, same sperm and ovum

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3
Q

Dizygotic Twins

A

share about 50% of genes, different sperm and ovum

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4
Q

Genotype

A

individual inherited genes

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5
Q

Single dominant- recessive inheritance

A

expression of a trait is determined by a single pair of alleles

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6
Q

polygenetic inheritance

A

when the expression of a trait is determined by the interaction of multiple genes

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7
Q

Co-dominance

A

trait that is determined equally by two dominant alleles

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8
Q

Sex-linked Inheritance

A

involves genes expressed on X chromosome

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9
Q

Naturists

A

believe genes predetermine the path of development

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10
Q

Nurturists

A

believe development is influenced by environment

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11
Q

Canalization Principle

A

genotype restricts phenotype to a small number of possible developmental outcomes

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12
Q

Range of Reaction Principle

A

genotype establishes a range of possible responses to difference kinds of life experiences

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13
Q

Passive Genotype/Environmental correlations

A

environment parents choose to raise their children in was influenced by parents genes

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14
Q

Evocative Phenotype

A

traits we have inherited affect how others react to and behave towards us

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15
Q

Active Genotype

A

our genotypes influence the kinds of environments we seek

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16
Q

Critical Period

A

specific time in development where particular environmental stimulation is necessary in order to reach developmental changes in specific abilities

17
Q

Implications of Critical Periods

A
  1. likely to affect parental decisions
  2. could affect decisions to adopt
  3. affects public policy on child intervention
18
Q

Experience-Expectant Brain Growth

A

our brains have evolved to expect a certain amount of environmental input and with this input our brains develop normally

19
Q

Sensitive Periods

A

brain maintains some capacity for change and growth in adulthood, develop according to personal experience