Biology B6 Flashcards
Genes
1
Q
What is a gene
A
A small section of DNA on a chromosome that codes for a specific sequence of amino acids to make a specific protein
2
Q
Genome
A
The entire genetic material of an organism.
3
Q
HPG
A
Human gene project
4
Q
Genotype
A
The genetic make up
5
Q
Phenotype
A
Characteristics
6
Q
Dominant allel
A
Allel that always expresses e.g EE
7
Q
Recesive allele
A
Allele that doesn’t present e.g ee
8
Q
Homozygous
A
The two alleles are the same
9
Q
Heterozygous
A
The two alleles are different e.g Ee
10
Q
Asexual reproduction
A
Involves only one parent and there is no fusion of gametes
11
Q
Sexual reproduction
A
Involves two parent cells and the fusion of sex cells
12
Q
Gamete
A
Sex cells: sperm and egg cells
13
Q
Haploid
A
23 chromosomes
14
Q
Diploid
A
All 46 chromosomes
15
Q
Crossing over
A
Transform genetics
