Klinefelter syndrome (other important genetic disorders) Flashcards
1
Q
what chromosomes does a person need in order to develop Klinefelter syndrome
A
Individuals with at least one Y and two X
chromosomes
2
Q
describe the characteristics of a person with Klinefelter syndrome
A
Male appearance
* Femalelike breasts (gynecomastia)
* Small testes
* Sparse body hair
3
Q
Klinefelter syndrome occurs in how many males at birth
A
1 in 1000 male births
4
Q
describe the chromosomes of a person with Klinefelter syndrome
A
an be XXY, XXXY and XXXXY;
will have male appearance
5
Q
how are abnormalities be increased with Klinefelter syndrome
A
will increase with each X;
can also have an extra Y chromosome
6
Q
how can Klinefelter syndrome increase with age
A
increases with the mother’s
age
