Studying Inheritance (AQA A-Level Biology): Flashcards
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Practise the cards
10 cards from this deck
Genotype
Genotype
Complete genetic makeup of an organism
Phenotype
Phenotype
Observable or measurable characteristics of an organism
Gene
Gene
Specific DNA sequence that codes for a polypeptide
Allele
Allele
Different variant of the same gene
Locus
Locus
Specific position of a gene on a DNA molecule
Homozygous dominant
Homozygous dominant
Both alleles identical & dominant; dominant trait shows
Heterozygous
Heterozygous
Two different alleles; dominant allele usually expresses
Homozygous recessive
Homozygous recessive
Both alleles identical & recessive; recessive trait shows
Codominance
Codominance
Both alleles contribute equally to the phenotype
Multiple alleles
Multiple alleles
More than two forms of a gene exist in population
