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Card 26
Front
What is an allele?
Back
Card 27
Front
What is meant by an organism being heterozygous?
Back
Card 28
Front
What is meant by an organism being homozygous?
Back
Card 29
Front
What is the basic difference between dominent and recessve alleles?
Back
Card 30
Front
If both parents carry recessive alleles for cystic fibrosis what is the probability of their child being a carrier?
Back
Card 31
Front
What is polydactyly?
Back
Card 32
Front
Describe the three wayts that a fossil can form. And give an example for each one.
Back
Card 33
Front
What are three reasons why some species have become extinct?
Back
Card 34
Front
What is speciation?
Back
Card 35
Front
How can geographical isolation lead to speciation?
Back
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