Human Heredity Flashcards
0
Q
What are autosomes? how many pairs are there?
A
Chromosome that is not a sex chromosome. There are 1-22 pairs.
1
Q
How many chromosomes do humans have and how are they arranged?
A
humans have 46 chromosomes and are arranged in 23 pairs
2
Q
How many sex chromosome pairs?
A
23 pairs.
3
Q
What is a karyotype?
A
Photograph of chromosomes grouped in order in pairs.
4
Q
What is a pedigree?
A
A chart showing dominant and recessive traits and how they have been passed down through generations.
5
Q
Autosomal disorders.
list the recessive ones
A
Albinism
cystic fibrosis
PKU
Tay-Sachs
6
Q
Dominant autosomal disorders
A
Achondroplasia
Huntington disease
Hypercholesterolemia
7
Q
Codominant
A
Sickle cell disease
