Genetics Flashcards
1
Q
Mutation
A
A permanent alteration in the nucleotide sequence of the genome of an organism
2
Q
Dominant allele
A
An allele that masks another
3
Q
Recessive allele
A
An allele that is not visibly expressed
4
Q
Phenotype
A
The physical appearance of an organism that is determined by its genotype
5
Q
Genotype
A
The composition of the gene pair, which consist of two alleles, for the specific trait
6
Q
Dominant homozygous
A
Two dominant alleles related to a particular characteristic that are the same
7
Q
Recessive homozygous
A
Two recessive alleles related to a particular characteristic that are the same
8
Q
Heterozygous
A
Two alleles on the homologous chromosomes that differ from each other
9
Q
Monohybrid cross
A
Only one characteristic is investigated at a time
