Question

This karyotype represents a meiotic accident called __________ which, in this case, results in a condition called ____________. This condition causes females to be short in stature, lack secondary sex characteristics, and to be sterile.

Responses
A deletion; Down syndromedeletion; Down syndrome
B insertion; Down syndromeinsertion; Down syndrome
C point mutation; Down syndromepoint mutation; Down syndrome
D nondisjunction; Down syndromenondisjunction; Down syndrome
E deletion; Turner syndromedeletion; Turner syndrome
F insertion; Turner syndromeinsertion; Turner syndrome
G point mutation; Turner syndromepoint mutation; Turner syndrome
H nondisjunction; Turner syndromenondisjunction; Turner syndrome
I deletion; Klinefelter syndromedeletion; Klinefelter syndrome
J insertion; Klinefelter syndromeinsertion; Klinefelter syndrome
K point mutation; Klinefelter syndromepoint mutation; Klinefelter syndrome
L nondisjunction; Klinefelter syndrome

Answer 1

H — nondisjunction; Turner syndrome

Nondisjunction of the sex chromosomes causes monosomy X (45,X), producing Turner syndrome (short stature, lack of secondary sex characteristics, sterility).