Isolating Mechanisms and Artificial Selection (OCR A-Level Biology A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is allopatric speciation?
What is allopatric speciation?
Speciation via geographical separation
How many cichlid species evolved in East African Rift Valley lakes?
How many cichlid species evolved in East African Rift Valley lakes?
Over 800 species
In hawthorn flies, how many gene loci differ between hawthorn and apple-feeding populations?
In hawthorn flies, how many gene loci differ between hawthorn and apple-feeding populations?
6 out of 13
What is temporal isolation?
What is temporal isolation?
Shifted breeding cycles prevent mating
What happened when Spartina townsendii's chromosome number doubled?
What happened when Spartina townsendii's chromosome number doubled?
It became fertile as S. anglica
How does artificial selection differ from natural selection?
How does artificial selection differ from natural selection?
Humans choose traits, not environment
What is modern bread wheat's chromosome count?
What is modern bread wheat's chromosome count?
42 (hexaploid)
What ancestral species did modern domestic dogs evolve from?
What ancestral species did modern domestic dogs evolve from?
Grey wolf
What happened when Holstein cows were inbred?
What happened when Holstein cows were inbred?
Gene pool reduced, milk yield dropped
What health problem affects Bulldogs and Pekingese dogs?
What health problem affects Bulldogs and Pekingese dogs?
Breathing problems from short snouts