Inheritance of Polydactyly
Polydactyly is an inherited condition where a person is born with extra fingers or toes.
Can you have a child with polydactyly if only one parent has the allele?
What is Inheritance of Polydactyly?
"Polydactyly is a condition in which a person or animal has more than the specified number of digits on their hands or feet."
Polydactyly is caused by which type of allele?
Cystic fibrosis is caused by which type of allele?
GCSE Biology: Polydactyly is caused by which type of allele?
Dominant Disorders
Caused by a dominant allele.
Can be passed on by only one parent who has the disorder.
There are no "carriers" for polydactyly; if you have the allele, you have the condition.
Dominant disorders are often easier to track through family trees than recessive ones.
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