GENETIC TERMS Flashcards
1
Q
gene
A
section of DNA
2
Q
locus
A
location of gene
3
Q
allelles
A
different version of a gene (e.g brown eyes / blue eyes)
4
Q
diploid
A
two sets of chromosomes from each parent (23 pairs in humans)
5
Q
haploid
A
one set of chromosome (23)
6
Q
homozygous
A
same allelle from both parents
7
Q
heterozygous
A
different allelle from each parent
8
Q
genotype
A
all of the allelles they have (i.e RR or Rr)
9
Q
phenotype
A
displayed characteristic e.g blue eyes
10
Q
dominant
A
always expressed when present
11
Q
recessive
A
only expressed when homozygous
