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3 years ago

What kind of heritability estimates (broad sense or narrow sense) are obtained from human twin studies?

Social Studies

1 answer:

kow [346]3 years ago

8 0

Answer:

Broad sense Heritability.

Explanation:

Heritability is the proportion of variance, in a particular population, that is due to genetic factors and not to environmental influences or stochastic variation.

We have,

Narrow sense heritability’ (h2)which is the proportion of trait variance that is due to additive genetic effects while

‘broad sense heritability’ (H2) is the proportion of trait variance that is due to all genetic factors including dominance and gene-gene interactions.

For twin studies, the total variance can be split up into genetic, shared or common environmental, and unique environmental components this enables an accurate estimation of heritability"

Broad sense heritability is mostly measured for twin due to their genetic components and additivity gene action, environment and most likely cause of difference in case of dissimilarity among Identical twin.

Fraternal or dizygotic twins on average share half their genes (and so identical while monozygotic (MZ) twins on average are twice as genetically similar as DZ twins.

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3 years ago

Read 2 more answers

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vodomira [7]

Answer:

Safety needs

Explanation:

Maslow developed a theory based on the needs of the human beings, he proposed a hierarchy of needs that is usually represented as a pyramid.

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Then, according to Maslow we would need to fulfill the next group of needs in the hierarchy which corresponds to Safety needs, this is, the residents would need protection from the elements (by having a house or somewhere to live which provides security and stability).

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3 years ago

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<h3>What is a bicameral legislature?</h3>

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Congress has such a division between the House of Representatives and the Senate. The U.K. also has this with the House of Commons and House of Lords.

Find out more on bicameral legislatures at brainly.com/question/11455.

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