Genetics

Question 1

Allele

Answer 1

alternate form of a gene for a characteristic

Question 2

Homozygous

Answer 2

organism with two identical alleles

Question 3

Hybrid

Answer 3

offspring of two different varieties

Question 4

Genotype

Answer 4

organisms genetic makeup

Question 5

Segregation

Answer 5

separation of allele pairs that occurs during gamete formation

Question 6

F2 generation

Answer 6

offspring of F1 generation

Question 7

True breeding

Answer 7

organisms that will always produce offspring identical to parents

Question 8

Heterozygous

Answer 8

organism that has two different alleles

Question 9

Self fertilization

Answer 9

when pollen fertilizes eggs from same flower

Question 10

Dominant

Answer 10

when 2 alleles of a pair are different, the one expressed

Question 11

P generation

Answer 11

parent organisms that are mated

Question 12

Monohybrid cross

Answer 12

breeding in one characteristic

Question 13

Wild type

Answer 13

characteristic most found in nature

Question 14

Phenotype

Answer 14

way organism looks

Question 15

Cross

Answer 15

a hybridization

Question 16

F1 generation

Answer 16

offspring of the P generation

Question 17

Recessive

Answer 17

when 2 alleles are different, the one that is masked-small

Question 18

Homologous chromosomes

Answer 18

where genes for a certain trait are located

Question 19

Gene

Answer 19

a unit that determines heritable characteristics

Question 20

Phenotype ratio

Answer 20

relative numbers of organisms with various characteristics

Question 21

Pangenesis

Answer 21

incorrect idea that acquired characteristics are passed on

Question 22

Cross-fertiliation

Answer 22

fertilization of a plant by pollen from a different plant

Question 23

Punnett square

Answer 23

diagram that shows possible combos of gametes

Question 24

Blending

Answer 24

old idea that hereditary materials from parents mix in offspring