Biology, 29.09.2019 19:30 ahnagoede2768
If an egg cell contains 50 chromosomes, how many chromosomes are in a sperm cell from the same species? 50 25 100 200
Answers: 1
Biology, 21.06.2019 22:30
Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into
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Biology, 22.06.2019 13:10
Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed
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Biology, 22.06.2019 15:30
Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos
Answers: 3
If an egg cell contains 50 chromosomes, how many chromosomes are in a sperm cell from the same speci...
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