10.2

Question 1

Why did mendall use a pea plant to study heredity

Answer 1

it has many different traits
seld-pollinated plants
short-life time

Question 2

true-breeding

Answer 2

plants produce off-spring identical to themselves

Question 3

hybrid

Answer 3

plants outwardly resemble true-breeder but produce mixed offspring

Question 4

Dominant alleles

Answer 4

exert their effects when they are present

Question 5

Recessive alleles

Answer 5

whos effect is masked when a dominant allele is present

Question 5

Why do plants produce both yellow and green seeds?

Answer 5

each plant has 2 alleles for each gene, because of their homologous pairs of chromosomes

Question 6

Genotype

Answer 6

the genetic makeup of traits represented by alleles

Question 7

Phenotype

Answer 7

appearance of traits

Question 8

How can 2 parents have a child with a different trait than their own trait?

Answer 8

heterozygous genotype

Question 9

Homozygous

Answer 9

same alleles
Dominant: AA
Recessive: aa

Question 10

Hetrozygous

Answer 10

different alleles (aa) –> dominant phenotype