Genetics Vocab Quiz 2

Question 1

Codominance

Answer 1

Both traits show up.

For example: a black chicken and a white rooster have black and white offspring.

Question 2

Incomplete Dominance

Answer 2

The two traits blend.

For Example: a red flower and a white flower breed and make a pink flower

Question 3

Sex-Linked Traits

Answer 3

These traits are on the X chromosome.

Since females have 2 X chromosomes they have two chances to get a given gene.

Males being XY have only one chance to get a given gene.

Question 4

What sex chromosomes to females have?

Answer 4

XX

Question 5

What sex chromosomes to males have?

Answer 5

XY

Question 6

Polygenic traits

Answer 6

These traits are determined by more than one set of gene. They are recognizable when there are more than three phenotypes for a trait.

Examples: human skin color, human blood type