Unit 7 Flashcards
1
Q
What is the genotype?
A
The genetic constitution of an organism. It describes all the alleles that the organism has. It determines the limits within which the characteristics of an individual may vary.
2
Q
What is the phenotype?
A
The observable characteristics of an organism. It is the result of the interaction between the expression of the genotype and the environment. The environment can alter an organism’s phenotype.
3
Q
What is a gene?
A
A length of DNA, that is a sequence of a nucleotide bases