Component 2.6 - Variation Flashcards

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1
Q

What mechanisms generate heritable variation?

A

1) Crossing over during prophase 1 of meiosis
2) Independent assortment at metaphase 1 and 2 of meiosis
3) The mixing of 2 different parental genotypes at fertilisation

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2
Q

Discontinuous variation vs continuous variation (Heritable?)

A

Discontinous - yes

Continuous - yes

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3
Q

Discontinuous variation vs continuous variation (Non-heritable)

A

Discontinous - no

Continuous - yes

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4
Q

Discontinuous variation vs continuous variation (number of genes it is controlled by)

A

Discontinuous - one

Continuous - many

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5
Q

Discontinuous variation vs continuous variation (Is it influenced by the environment)

A

Discontinuous - no

Continuous - yes

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6
Q

Discontinuous variation vs continuous variation (How many different values of the characteristic are there)

A

Discontinuous - one

Continuous - many

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