Chapter 6 - Genetic Disorders Flashcards
1
Q
What are some examples of recessive disorders?
A
cystic fibrosis, sickle cell anemia, Tay-Sachs disease
2
Q
How does recessive genetic disorder come to be?
A
When the person has a recessive homozygous set of alleles
3
Q
What would the outcomes be of one set of dominant homozygous alleles and one set of heterozygous if they came together?
A
half are carriers, half are non-carriers and all phenotypes are normal
4
Q
What is a genotype?
A
the 2 alleles put together, homo or hetero
5
Q
What is a phenotype?
A
the trait that is expressed, blue or brown eyes
6
Q
What would the outcomes be of 2 sets of dominant homozygous alleles if they came together?
A
1 non-carrier, 2 carriers, 1 affected
7
Q
What is cystic fibrosis?
A
- excess mucus production - respiratory failure
