lectures 1-4

Question 1

law of independent assortment

Answer 1

members of one pair of alleles segregate independently than another pair of alleles

Question 2

incomplete dominance

Answer 2

one allele does not completely mask the other, and the heterozygote has an intermediate pheotype

Question 3

co-dominence

Answer 3

is when both alleles are equally dominat and the heterzygote show both equally

Question 4

epistasis

Answer 4

is the funtion of one gene pair influnces the other(enzyme for pigmentation for it to show up A_B_)

Question 5

pleiotropy

Answer 5

one mutant has multiple phenotypic effects

Question 6

test cross

Answer 6

to determine an unknown genotype cross with homozygous ressissive

Question 7

cromatin

Answer 7

uncondensed chromosome material in nuclei

Question 8

Answer 8

-metacentric

Question 9

Answer 9

-submetacentric

Question 10

Answer 10

teleocentric

Question 11

Answer 11

-acrocentric

Question 12

karyotype

Answer 12

picture showing all the chromosomes in ordered arrangement

Question 13

synaptonemal complex

Answer 13

happens when homol. chromosomes undergo crossing over

Question 14

chromosome theory of hereditary

Answer 14

genes are carried on chromosomes

Question 15

an heteromorphic pair can be found _____ in human

Answer 15

on sex chromosomes pair 23

Question 16

( non disjunction )

Answer 16

exceptional result in that the 2 XX fail to desegregate

Question 17

turners syndrome

Answer 17

where a female has XO (is sterile)

Question 18

klinefelter syndrome

Answer 18

where a male has XXY (sterile)