Genetics

Question 1

when an organism has an identical pair of alleles for a trait

Answer 1

homozygous

Question 2

traits that hide other traits

Answer 2

dominant

Question 3

organisms that produce the same offspring each time

Answer 3

true-breeding stock

Question 4

the first generation of offspring

Answer 4

F1

Question 5

simple, indivisible units that determine each trait

Answer 5

gene

Question 6

traits that are hidden by other traits

Answer 6

recessive

Question 7

when gametes are formed, each gamete obtains only one of the the parent’s two copies of a gene

Answer 7

segregation

Question 8

different forms of a gene for a specific trait

Answer 8

alleles

Question 9

the genetic composition of an organism

Answer 9

genotype

Question 10

set of characteristics that an organism receives from its parents

Answer 10

heredity

Question 11

different genes are inherited separately from each other

Answer 11

independent assortment

Question 12

when an organism has a mixed pair of alleles for a trait

Answer 12

heterozygous

Question 13

the science of heredity

Answer 13

genetics

Question 14

the form of a genetic trait that is displayed by an organism

Answer 14

phenotype