Chromatids form when DNA replicates prior to cell division.
True or false

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

What is used to keep track of the gamates and possible offsprings combination