Chapter 4 Flashcards
1
Q
Chromosome
A
- Segment of DNA that contains genes.
- Humans have 22 pairs of normal chromosomes and 1 pair of sex chromosomes. (46 Total)
2
Q
Gene
A
Segment of DNA. Contains 4 bases - Adenine/ Thymine and Cytosine/ Guanine.
3
Q
Heritability
A
How much variation in a characteristic in the population can attribute to genetic differences.