B5.1.4 Dominant & Recessive Alleles Flashcards
1
Q
Alleles or variant
A
Different forms of the same gene
2
Q
Gene
A
A section of DNA which codes for a characteristic
3
Q
Dominant alleles
A
Version of gene whose characteristic is always expressed if present in genotype
4
Q
Recessive allele
A
Version of a gene whose characteristic is only expressed if two copies are present in the genotype
5
Q
Genotype
A
Combination of alleles present in an organism
6
Q
Homozygous
A
Organism who has two copies of the same allele
BB or bb
7
Q
Heterozygous
A
Organism who has who has different alleles of the same gene
Bb
