Alleles3 Flashcards

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0
Q

How can a Mutation change allele frequency?

A

Some mutations are lethal

Some mutations are neutral

Some mutations may improve an individual’s ability to survive and reproduce

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1
Q

What changes allele frequency?

A

Mutation

Recombination

Lateral gene transfer

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2
Q

What is Recombination?

A

During Meiosis, chromosome mix causing millions of gene combinations crossing over during meiosis can also result in genetic variation during recombination

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3
Q

What is Lateral Gene Transfer?

A

The passing of genes from in individual to another and NOT through sexual reproduction

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4
Q

What does the number of phenotypes produced for a trait depend on?

A

Depends on how many genes control the trait

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5
Q

Single-Gene traits are controlled by?

A

Controlled by ONE gene

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6
Q

Polygenic traits are controlled by?

A

2 or more genes

Ex:Height

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7
Q

A bell shaped curve is what?

A

Is normal in an average of a particular trait in polygenic traits

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