Identifying factors impacting a male's ability to attract females and successfully fertilize her eggs is critical for understanding how selection will affect those traits. Body size is known to affect a male's ability to attract ma...
FERTILITY: Molecular defect for one form of male factor infertility uncovered The sperm that successfully fertilizes an egg triggers a series of events, known collectively as egg activation, that are considered the first step in the... Read Post
Researchers have known for more than half a century that sperm is able to fertilize an egg only after it has resided for a period of time in the female reproductive tract. Without this specific interaction with the female body, the ... Read Post