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which of the following does not generally occur?
a. a fertilized egg splitting into two embryos
b. a single sperm fertilizing a single egg
c. two sperm fertilizing two different eggs at the same time
d. two different sperm both fertilizing the same egg

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

Which statement best describes lactic acid fermentation? a. lactic acid fermentation is the first step of cellular respiration. o b. lactic acid fermentation is the final step of cellular respiration. re to berate c. in the absence of oxygen, cells release atp by breaking down lactose into glucose. e der lade res o d. in the absence of oxygen, cells release atp by breaking down glucose into lactate. ar

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome