Question 1
Klinefelter syndrome in humans, which leads to underdeveloped testes and sterility, is caused by which chromosomal condition?
◦ 47, XYY
◦ triploidy
◦ 47, 21+
◦ 45, X
◦ 47, XXY
Question 2
Assume that a man who carries an X-linked gene has children. Assuming normal meiosis and random combination of gametes, the man would pass this gene to ________.
◦ all of his sons
◦ half of his daughters
◦ half of his sons
◦ all of his daughters
◦ all of his children