class 10: Inheritance I Flashcards Preview

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Flashcards in class 10: Inheritance I Deck (20):
1

blending inheritance

essences of two parents blended together much like ink - black and ilk- white might be mied to form an intermediate grey

2

true-reeding parents

when bred among themselves they produced only the same

3

phenotype

true breeding purple flowered plants would produce only purple flowered offspring

4

homozygous

have two copies of same allele at locus of interest

5

parental

p

6

first filial generation

f1

7

second filial generation

f2

8

hybridize

crossed

9

results of mendel's experiment

model of blending inheritance is incorrect, hereditary factors can come in diff forms, alleles may be recessive or dominant, principle of segration

10

diploid

two copies of each type of chromosome

11

haploid

only one copy of each type of chroosome

12

principle of segreagation

alleles an individual has for particular gene become segregated from each other during gamete formation

13

units of heredity determine what

individual act like particles- they maintain their integrity as they are passed from one gen to the next

14

chromatids

during first stages of mitosis and during much of meiosis chromosomes that have been replicated consist of two identical units joined together

15

chromatid

each identical half of a duplicated chromosome

16

sister chromatid

each half

17

centromere

specialized constriction of eukaryotic chromosomes- sister chromatids are held together at this point

18

homologues

two copies

19

ploidy

number of copies of each of types of chromosomes

20

somatic are

body cells

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