Genetics Definitions Flashcards
1
Q
Homozygous recessive
A
two recessive alleles, aa
2
Q
Homozygous dominant
A
two dominant alleles, AA
3
Q
Heterozygous
A
two different alleles, Aa
4
Q
DNA
A
carries the genetic information
5
Q
Gene
A
a short segment of DNA that codes for a protein/trait
6
Q
Allele
A
an alternative form of a gene
7
Q
Genotype
A
the alleles present
8
Q
Phenotype
A
the physical characteristic expressed
9
Q
Chromosome
A
condensed DNA
10
Q
Inheritable
A
can be passed on, occurs in the gametes
11
Q
Non-inheritable
A
can not be passed on, occurs in somatic cells
12
Q
Somatic Cells
A
body cells
13
Q
Gametes
A
sex cells (egg and sperm)
14
Q
Pure Breeding
A
homozygous for a trait
15
Q
Homologous Chromosomes
A
pair of chromosomes (one from each parent)
