Exam 4 Definitions

Question 1

Blending Hypothesis

Answer 1

Genetic material from both parents mix, like yellow and blue paint mix to make green.

Question 2

Particulate Hypothesis/The Gene Idea

Answer 2

Parents pass on discrete heritable units that retain their identities in future offspring.

Question 3

Gregor Mendel

Answer 3

Started studying in about 1857, used garden peas.

Question 4

Character

Answer 4

A heritable feature, like hair or eye color.

Question 5

Trait

Answer 5

A variant of a character, like brown hair and green eyes.

Question 6

True Breeding

Answer 6

Always passes down the same phenotypic traits.

Question 7

Hybridization

Answer 7

The study used by Mendel to study the process of inheritance.

Question 8

P Generation

Answer 8

The parents, true breeding in Mendel’s experiments.

Question 9

F1 Generation

Answer 9

Hybrid offspring of the P generation. All of the offspring had the dominant phenotype.

Question 10

F2 Generation

Answer 10

Hybrid offspring of the F1 generation. 3/4 of this generation were the dominant phenotype, 1/4 was recessive.