Chapter 14 Flashcards Preview

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Flashcards in Chapter 14 Deck (18)
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1

P generation

true breeding parents

2

F1 generation

hybrids of true breeds

3

F2 generation

hybrids of hybrids, recessives start to show

4

alleles

alternate versions of a gene

5

law of segregation

alleles separate during gamete formation

6

homozygous

PP

7

heterozygous

Pp

8

phenotype

physical traits

9

genotype

genetic type

10

testcross

breeding recessive homozygote to find unknown

11

monohybrids

one character (PP)

12

dihybrids

(YyRr)

13

codominance example

red blood cells

14

incomplete dominance

both are expressed, pink chickens

15

Pleiotropy

when genes have multiple phenotypic effects

16

epistasis

gene alters the phenotypic of another genetic locus

17

polygenic inheritance

quantitative variation

18

how to cross dihybrids

cross everything.