Genetic Disorders Flashcards
0
Q
What is polydactyly?
A
Having extra fingers or toes
1
Q
How do you get some genetic disorders?
A
They can be inherited
2
Q
How is polydactyly caused?
A
By a dominant allele of a gene
And can therefore be passed on by only one parent who has the disorder
3
Q
What is cystic fibrosis?
A
A disorder of cell membranes
4
Q
How can you get cystic fibrosis?
A
Must be inherited from both parents
The parents may be carriers of the disorder themselves.
5
Q
How is cystic fibrosis caused?
A
It is caused by a recessive allele of a gene and can therefore be passed on by parents, neither whom has the disorder
6
Q
What can embryos be screened for?
A
For the alleles that cause these and other genetic disorders
