Selective Breeding (VCE SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is selective breeding?
What is selective breeding?
Changing gene pool via human breeding control
What are the three requirements for selective breeding (VSH)?
What are the three requirements for selective breeding (VSH)?
Variation, Selection pressure, Heritability
What is the key difference in selection pressure between natural selection and selective breeding?
What is the key difference in selection pressure between natural selection and selective breeding?
Environmental vs. artificial (human)
In the Russian fox experiment, what % were 'domesticated elite' after 10 generations?
In the Russian fox experiment, what % were 'domesticated elite' after 10 generations?
20%
What is a desirable trait in selective breeding?
What is a desirable trait in selective breeding?
A heritable phenotype humans select for
What happens to genetic diversity during selective breeding?
What happens to genetic diversity during selective breeding?
It decreases due to genetic bottleneck
When are deleterious recessive alleles expressed?
When are deleterious recessive alleles expressed?
When individuals become homozygous
What is the wild ancestor of modern maize (corn)?
What is the wild ancestor of modern maize (corn)?
Teosinte
What is adaptive potential?
What is adaptive potential?
Ability to adjust to new selection pressures
What health issues arose in English bulldogs after 100 years of selective breeding?
What health issues arose in English bulldogs after 100 years of selective breeding?
Respiratory, cardiovascular, immune problems