Biology Stuff Flashcards
1
Q
Gene
A
A section of DNA that codes for one characteristics
2
Q
Allele
A
Different forms of the same gene
3
Q
Phenotype
A
The physical appearance of a characteristic
4
Q
Genotype
A
The alleles that an organism has for a particular characteristic
5
Q
Dominant
A
Form of a gene that is always expressed in a phenotype
6
Q
Recessive
A
Form of a gene that must have two copies (be homozygous) to be shown in the phenotype
7
Q
Heterozygous
A
A genotype which has two different alleles for a characteristic
8
Q
P
A
The parent in a cross
9
Q
F1
A
The first generation of offspring
10
Q
F2
A
The second generation of offspring
