definations Flashcards
1
Q
Define genotype
A
The genetic constitution of an organism
2
Q
Define phenotype
A
The expression of an organism’s genetic constitution, combine with its interaction with the environment
3
Q
What is an allele
A
Different forms of a particular gene found at the same locus on a chromosome
4
Q
How many alleles per gene do diploid organisms carry
A
Two
5
Q
What is meant by a dominant allele
A
An allele whose characteristic will always appear on a phenotype can be homozygous or heterozygous
6
Q
What is an recessive allele
A
- An allele whose characteristic only in the phenotype if no dominant allele is present
- must be homozygous
7
Q
Homozygous
A
Both alleles are dominant or both are recessive
8
Q
Heterozygous
A
One allele is dominate the other is recessive
