mendel

Question 1

mendel’s first law

Answer 1

principle of segregation - 2 members of a gene pair (allele) segregate during gamete production

Question 2

autosomal dominant traits

Answer 2

vertical inheritance, unaffected individuals have unaffected children

Question 3

autosomal recessive traits

Answer 3

horizontal inheritance

Question 4

mendel’s second law

Answer 4

principle of independent assortment - factors for different traits assort independently of one another

Question 5

AaxAa

Answer 5

3:1 phenotype

Question 6

AaxAa

Answer 6

1:2:1 genotypic ratio

Question 7

mendel’s third law

Answer 7

law of dominance - some alleles dominant some recessive, at least one dominant allele will display and mask recessive allele

Question 8

chromosome theory 1902

Answer 8

genes located on chromosomes, chromes undergo segregation, meiosis and fertilization account for inheritance patterns

Question 9

Turner syndrome

Answer 9

female with only one X, slight physical deformities, short, various cardiovascular issues

Question 10

triple x sydrome

Answer 10

female w three Xs, normal physical mentally, tall, short lifespan

Question 11

klinefelter syndrome

Answer 11

male w XXY, learning issues, tall, breast development, infertility

Question 12

most mammals and some plants sex determination

Answer 12

xx/xy system

Question 13

birds, snakes, butterflies, etc

Answer 13

females ZW, males ZZ

Question 14

grashoppers

Answer 14

xx females, x males

Question 15

bees, ants, wasps

Answer 15

females diploid develop from fertilized eggs, males haploid develop from unfertilized eggs males produce gametes through mitosis

Question 16

xx male syndrom

Answer 16

xx but male phenotypically

Question 17

swyer syndrome

Answer 17

xy but female

Question 18

penetrance

Answer 18

proportion of progeny that exhibit the phenotype encoded by a particular genotye

Question 19

expressivity

Answer 19

degree to which a genotype is expressed

Question 20

waardenburg syndrmoe

Answer 20

variable expressivity

Question 21

dominant epistasis

Answer 21

12:3:1 phenotype

Question 22

recessive epistastis

Answer 22

9:3:4 phenotyep

Question 23

duplicate recessive epistastis

Answer 23

9:7

Question 24

duplicate domninat epistastis

Answer 24

15:1 only need other one or another enzyem

Question 25

duplicate interactions

Answer 25

9:6:1

Question 26

dominant/recessive

Answer 26

one gene controlled by Dom epi, other by rec. ep