Chapter 12 Patterns of Inheritance

Question 1

Prior to the 20th century, the two main ideas that provided the basis for most thinking about heredity were Blank______.

Answer 1

heredity occurs within species

traits are transmitted directly from parents to offspring

Question 2

Prior to Mendel’s work, inheritance was viewed as traits being borne through which of the following fluids of the body?

Multiple choice question.

Saliva

Skin

Tears

Blood

Answer 2

Blood

Question 3

A hybridization experiment involves mating Blank______.

Multiple choice question.

two individuals from the same strain of one species

two individuals from different strains of different species

two individuals from different strains of the same species

Answer 3

two individuals from different strains of the same species

Question 4

Which of the following plants was the main organism for Mendel’s experiments on heredity?

Multiple choice question.

Pear

Tobacco

Potato

Pea

Answer 4

Pea

Question 5

Prior to the work of Mendel, inheritance was viewed as resulting from Blank______

Multiple choice question.

inheritance directly from one parent and not the other

traits skipping generations

the deletion of traits in offspring

blending of traits from an offspring’s parents

Answer 5

blending of traits from an offspring’s parents