Sentences with phrase «producing big males»
He argued that creating generation after generation of virgin - born mammals would not only help to improve and accelerate the breeding of livestock (producing big males for the sake of a little sperm slows down breeding), but would yield new insights into disease, genetics and the function of sex itself.
https://www.newscientist.com/ Not exact matches
A large male, which produces bigger sperm packets, has a better chance of successful fertilization.
Led by Biology Research Associate Genevieve Spanjer Wright, a five - person team from the University of Maryland found that male big brown bats can produce a special sound, called a «frequency - modulated bout» (FMB), that tells other bats with whom they are foraging to keep away from their prey.
The Maryland researchers are the first to report this ultrasonic social call produced exclusively by flying, foraging male big brown bats.
One is that managers would «quickly run out of the biggest males [which produce the most ivory], and so you have to take several smaller animals to harvest the same amount of ivory,» leading to a kind of death spiral.
Testosterone is a predominantly male hormone, produced by the testicles and is what gives a person «manly» characteristics, like a lower voice, facial and body hair and ultimately... bigger muscles.
Bigger Than Life (Criterion) Ostensibly a drama about prescription drug misuse and abuse and drawn from an article in The New Yorker, this portrait of a grade - school teacher and middle class father (played by James Mason, who also produced and helped develop the project) is as much about adult male masculinity and responsibility as a husband and father, and the pressure on him to live up to the ideal, as Rebel Without a Cause is about the emotional realities of being an American teenager.
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