This topic contains a solution. Click here to go to the answer
|
Author Question: In order to produce fraternal twins you must have two a. X chromosomes. b. sperm. c. Y ... (Read 16 times) |
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
Did you know?
Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
Did you know?
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.