Exam 4 FITB meeting 32

Question 1

offspring genotypes are unique (one in infinite) because of __________ and __________

Answer 1

crossovers
gamete selection

Question 2

____________ and _________ occurs due to nondisjunction

Answer 2

aneuploidy
polyploidy

Question 3

____________ allows identification of various chromosomes

Answer 3

karyotype

Question 4

Karyotype allows identification of various ________

Answer 4

chromosomes

Question 5

Down’s syndrome (_______) is an example of _________

Answer 5

trisomy 21
Polyploidy

Question 6

In ________’s experiment, dominant and recessive traits in peas were inherited ________ and ________

Answer 6

Mendel
Independent of each other
Gender

Question 7

Peas can _________ or __________, which allows for evaluation of inheritance

Answer 7

self fertilize
cross fertilize

Question 8

peas can self fertilize or cross fertilize, which allows for ____________________

Answer 8

evaluation of inheritance

Question 10

monohybrid cross allowed identification of ___________________

Answer 10

dominant and recessive alleles

Question 11

________________ allowed identification of dominant and recessive alleles

Answer 11

Monohybrid cross

Question 12

_________ charts help with identification of mendelian traits in a family

Answer 12

pedigree

Question 13

the genetic variation in sexually reproducing species is due to ________

Answer 13

meiosis

Question 14

principle of segregation of ____________ of a gene

Answer 14

two alleles

Question 15

__:__ ratio of dominant and recessive phenotypes in the F2 (not F1) generation

Answer 15

3:1

Question 16

3:1 ratio of dominant and recessive phenotypes in the ____ generation

Answer 16

F2

Question 17

_________ determines genotype of an individual with dominant phenotype

Answer 17

test cross

Question 18

____________ determines whether a trait is sex-linked or autosomal

Answer 18

Reciprocal cross

Question 19

reciprocal cross determines whether a trait is ____________ or ____________

Answer 19

sex-linked
autosomal

Question 20

___________: two genes are at loci close enough that they are co-inherited

Answer 20

linkage