B4 Inheritance Flashcards
1
Q
gene
A
A gene is a small section of DNA on a chromosome, that codes for a particular sequence of amino acids , to make a specific protein .
2
Q
allele
A
Alleles are different versions of the same gene. For example, the gene for eye colour has an allele for blue eye colour and an allele for brown eye colour.
3
Q
heterozygous
A
two different alleles of a gene
4
Q
phenotype
A
physical expression of a genotype
5
Q
chromosome
A
thin strands of DNA
