Genetics Flashcards
Midterm
1
Q
What is missing or extra sex chromosome?
A
Aneuploidy
2
Q
When a chromosome pair or sister chromatid doesn’t split apart
A
Nondisjunction
- This can occur in the egg or sperm
- Can occur in meiosis 1 or 2
3
Q
This occurs when there is an extra copy or copies of an X chromosomes in a biological male due to sex chromosome nondisjunction during maternal or paternal meiotic division
A
Klinefelter’s Syndrome
4
Q
What is the most common karyotype for Klinefelter’s Syndrome?
A
47, XXY
The greater number of X’s, the greater phenotype abnormalities
5
Q
This occurs when there is a completely or partially missing X chromosome in biological female
A
Turner Syndrome
6
Q
What is the most common karyotype for Turner Syndrome?
A
45, X
7
Q
What syndrome presents with a short stature, broad chest with widely spaced nipples and a low hairline?
A
Turner Syndrome
