Biology revision for B4 genetics Flashcards by Hugo Burns | Brainscape

Q

Which comes first order or class?

A

Class

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Q

How do you know how old a fossil is?

A

Carbon dating or sediment dating

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Q

Pentedactyl evolved from a common ancestor?

A

All hav 5 digits, ulna, similar bone structure

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Q

What is the purpose for selective breeding?

A

Higher yield, disease resistance

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Q

What are the Disadvantages of selective breeding

A

Reduces genetic diversity

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Q

What is the first step for growing insulin

A

Cutting it out of the gene with complementary sticky ends of couse you doughnut

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Q

What are the advantages of GMing

A

It can cure diseases and improve crop yield

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Q

A

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Q

A

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Q

Why did the domain system go from two to three?

A

Because of genetic analysis

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Q

How old was Lucy?

A

2.9 million years old well done

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Q

How old was ardi?

A

4.4 million years old

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Q

How old were Leakeys fossils

A

About 1.3 million years old

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Q

How does antibiotic resistance begin?

A

Genetic mutation

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