Module 3: Heredity and Chromosomes Flashcards
1
Q
allele
A
a specific version of a gene
2
Q
chromosome
A
a DNA molecule with part or all of the genetic material of an organism
3
Q
deoxyribonucleic acid (DNA)
A
a helix-shaped molecule made up of nucleotide base pairs
4
Q
gamete
A
a male or female reproductive cell
5
Q
genes
A
sequences of DNA that control or partially control a number of characteristics
6
Q
genotype
A
the genetic makeup of an individual
7
Q
heterozygous
A
a combination of alleles for a given gene
8
Q
homozygous
A
having two copies of the same allele for a given gene
9
Q
mutation
A
a sudden permanent change in a gene
10
Q
phenotype
A
the individual’s inherited physical characteristics