Which of these statements is true about sperm and egg cells?
a sperm cell and an egg ce...
Which of these statements is true about sperm and egg cells?
a sperm cell and an egg cell combine to form a sex cell.
sperm are continuously produced by males, while a female is born with a full supply of eggs.
both sperm and eggs can swim using flagellum.
eggs use flagellum to move towards the sperm, which are stationary.
Answers: 3
Biology, 21.06.2019 17:20
Joe is breeding cockroaches in his dorm room. he finds that the average wing length in his population of cockroaches is 4 cm. he chooses the six cockroaches that have the largest wings; the average wing length among these selected cockroaches is 10 cm. joe interbreeds these selected cockroaches. from earlier studies, he knows that the narrow-sense heritability for wing length in his population of cockroaches is 0.6. a. calculate the selection differential and expected response to selection for wing length in these cockroaches. b. what should be the average wing length of the progeny of the selected cockroaches?
Answers: 1
Biology, 21.06.2019 23:30
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