6.1.7 inherited disorders Flashcards
1
Q
how are disorders inherited
A
through alleles
2
Q
example of a recessive allele
A
cystic fibrosis
3
Q
what does it mean if people are heterozygous
A
won’t be affected by the disorder but are ‘carriers’
4
Q
what does it mean if people are homozygous recessive
A
they have this disorder as they carry two alleles
5
Q
example of dominant allele
A
Polydactyly
6
Q
what does dominant mean
A
even if only one partner has it there is still a chance the child will have it
7
Q
what is embryo screening
A
taking embryo out of female (IVF) and deducing the infected cells so child doesn’t have disorder
