Contemporary farming techniques frequently make use of artificial insemination (AI) to breed dairy cattle. Which statement explains how artificial insemination is carried out?
- ASperm is collected from a bull and frozen. The sperm is later inserted into the vagina of a cow.
- BEggs are removed from a cow and fertilised using sperm from a bull. The fertilised eggs are reinserted into the uterus of the cow.
- CMale and female cows with desired characteristics are chosen to mate.
- DEmbryos are removed from the uterus of the cow. The embryos are frozen and stored for future use.