Quantitative and Qualitative Traits Flashcards Preview

Genetics > Quantitative and Qualitative Traits > Flashcards

Flashcards in Quantitative and Qualitative Traits Deck (8)
1

qualitative traits definition

have a few distinct states

individuals belong to a few types

expressed in words

have discontinuous distributions (bar graph)

2

quantitative traits definition

traits have a continuous distribution (bell curve)

individuals can have many possible types

expressed in numbers

3

normal frequency distribution

individuals can have any value in the distribution

every quantitative trait has a frequency distribution

4

quantitative traits are always determined by...

both genes and the environment working together

5

most quantitative traits are affected by...

many genes and many environmental factors

6

interbreeding reduces...

variation

7

quantitative traits involve ____ each with a _____ which add up to ____

many genes, small effect, big effect

8

GWAS

genome-wide association studies