bio lab 6 Flashcards

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1
Q

allele

A

one of two variants of a gene; 2 alleles per genotype

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2
Q

genotype

A

particular combination of alleles for particular gene for a trait - eye color

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3
Q

phenotype

A

observable expression of trait - hair color

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4
Q

heterozygous genotype

A

2 different alleles

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5
Q

homozygous recessive

A

2 recessive alleles (-,-)

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6
Q

homozygous dominant

A

2 dominant alleles (+,-)

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7
Q

hardy weinburg –> evolution

A

shows allelefrequencies we can expect if NO evolution was occuring + helps detect evolution by comparison

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8
Q

hardy weinburg principle

A

random mating, large population, no immigration/emigration, no natural/sexual selection, no mutations

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9
Q

purpose of hardy weinburg

A

see how frequently genes evolve

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10
Q

p =

A

frquency of dominant allele

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11
Q

q =

A

frequency of recessive allele

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12
Q

p2

A

frequency of homozygous dominant

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13
Q

q2

A

frequency of homozygous recessive

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14
Q

2pq

A

frequency of heterzygous

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15
Q

hardy weinburg equation

A

p2+2pq+q2 = 1

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16
Q

what antigen does type a have?

A

a - antigen

17
Q

what antigen does type b have?

A

b - antigen

18
Q

what antigen does type o have?

A

no antigens

19
Q

what antigens does type a & b have?

A

a & b antigens

20
Q

antigens

A

sugar markers/tags that are attached to the outside blood cells

21
Q

rh-factor (clotting antigen) =

A

positive blood

22
Q

antibody

A

protein produced by blood cells that can bind to specific part of antigen

23
Q

what antibody does type a have?

A

antibody b

24
Q

what antibody does type b have?

A

antibody a

25
Q

what antibody does type ab have?

A

no antibody

26
Q

what antibody does type o have?

A

antibody a & b

27
Q

universal donor?

A

type o-; no antigens meaning there are nothing for antibodies to attack

28
Q

universal recipient?

A

no antibodies to a, b, and rh and able to receive blood from

29
Q
A