Key Words (3.4.8)

HideShow resource information
Allele
a variant/form of a gene
1 of 14
Allele Frequency
The no. of times an allele occurs within the gene pool
2 of 14
Co-dominance
conditions in which both alleles for one gene in a heterozygous organism contribute to the phenotype
3 of 14
Diploid
cells in which the nucleus contains two sets of chromosomes
4 of 14
Dominant
an allele that is always expressed in the phenotype
5 of 14
Gene
length of DNA on a chromosome normally coding for a particular length of polypeptide
6 of 14
Gene Pool
total no. of alleles in a particular population out a specific time
7 of 14
Genotype
the genetic composition of an organism
8 of 14
Haploid
cells that contain only a single copy of each chromosome (e.g. gametes)
9 of 14
Heterozygous
condition in which the alleles of a particular gene are different in a chromosome
10 of 14
Homozygous
condition in which the alleles of a particular gene are identical
11 of 14
Mutation
a change in the sequence of bases of DNA
12 of 14
Phenotype
the characteristics of an organisms, often visible, from both its geneotype and the effects of the environment
13 of 14
Recessive
an allele only available in the phenotype if homozgous
14 of 14

Other cards in this set

Card 2

Front

The no. of times an allele occurs within the gene pool

Back

Allele Frequency

Card 3

Front

conditions in which both alleles for one gene in a heterozygous organism contribute to the phenotype

Back

Preview of the back of card 3

Card 4

Front

cells in which the nucleus contains two sets of chromosomes

Back

Preview of the back of card 4

Card 5

Front

an allele that is always expressed in the phenotype

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all DNA, genetics and evolution resources »