At which stage of meiosis does a pair of sister chromatids separate?

a. metaphase i

b. anaphase i

c. metaphase ii

d. anaphase ii

Which of the following elements does soil need in the largest quantities to sustain plant life? a. copper b. iron c. nitrogen d. zinc

What is the compliment dna strand to the following sequence: ttgactaggcta

Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species