Polydactyly Flashcards
1
Q
What is polydactyly?
A
A genetic disorder which gives extra fingers/toes to those affected
2
Q
Is polydactyly caused by a dominant or recessive allele?
A
Dominant
3
Q
If polydactyly is caused by a dominant allele, what does this mean for the genotype of someone affected?
A
It only needs to have one of the dominant alleles present in order for polydactyly to show in the phenotype
4
Q
What is the genotype for someone who is unaffected by polydactyly?
A
pp
p = recessive
5
Q
What is the genotype for someone who is affected by polydactyly?
A
Pp or PP
P= dominant, p=recessive
