Question

Amelia is viewing a karyotype. Based on her study of the karyotype, she has determined that the individual is a female. Rob comes over to check her work. He disagrees with her. He sees...

a. an XX in the 23rd pair
b. an XY in the 23rd pair
c. a YY in the 23rd pair
d. an XO in the 23rd pair

Answer 1

B. an XY in 23rd pair

Step-by-step explanation:

Females have 2 X chromosomes for their 23rd homologous pair;

Males have 1 x and 1 Y chromosome for their 23rd pair.