9 Patterns Of Inheritance

Question 1

When self-fertilization produces offspring identical to parent

Answer 1

True-breeding

Question 2

Offspring of two different varieties

Answer 2

Hybrid

Question 3

True-breeding parental organism—which generation?

Answer 3

P generation

Question 4

Cross between two true-breeding varieties, that differ in only one character

Answer 4

Monohybrid cross

Question 5

Organism that has two identical alleles for a gene is _____ for said gene.

Answer 5

Homozygoyus

Question 6

An organism that is heterozygous for two characters

Answer 6

Dihybrid

Question 7

F1 x F1

Answer 7

Dihybrid cross

Question 8

Pleiotropy: definition and example.

Answer 8

Definition: One gene affecting multiple characters.
Example: sickle-cell anemia.

Question 9

Polygenic inheritance: definition and example

Answer 9

Definition: Multiple genes affecting one character.
Examples: Skin colour, height

Question 10

Linked gene

Answer 10

Two genes close together on the same chromosome that tend to be inherited together