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PAPER 2 BIOLOGY
B6 Genes and Genome
Polydactyly & cystic fibrosis
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Cards (7)
What is polydactyly?
A condition which an individual can be born with
extra
fingers or
toes.
Polydactyly is an inherited disorder. This means..
It can be inherited from an individuals
parents.
Is polydactyly caused by a dominant or recessive allele?
Dominant
Is cystic fibrosis a dominant or a recessive genetic disorder?
Recessive
Which part of a human body cell is affected by cystic fibrosis?
Cell
membrane
Which inherited disorders requires a person to inherit 2 faulty alleles from their parents?
Cystic
fibrosis
Cystic fibrosis is an inherited condition that causes..
Thick, sticky
mucus
to build up in the
lungs
and
digestive
system.