Mutation (HSC SSCE Biology): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Traits controlled by multiple genes
Traits controlled by multiple genes
Polygenic traits
Two ways new alleles enter a population
Two ways new alleles enter a population
Mutation and gene flow
Study of how populations change over time
Study of how populations change over time
Population genetics
Measure of how often an allele occurs in a population
Measure of how often an allele occurs in a population
Allele frequency
Changes in allele frequency due to random chance
Changes in allele frequency due to random chance
Genetic drift
Movement of individuals between populations changing alleles
Movement of individuals between populations changing alleles
Gene flow
Natural disaster drastically reduces population size
Natural disaster drastically reduces population size
Bottleneck effect
Few individuals establish new isolated population
Few individuals establish new isolated population
Founder effect
Only remaining allele for a gene in a population
Only remaining allele for a gene in a population
Fixed allele
Genetic drift & gene flow are greater in ___ populations
Genetic drift & gene flow are greater in ___ populations
Smaller populations