Do you think that we should be manipulating the genes for crops like corn for things like drought tolerance? Explain. (Click this link to learn about Drought tolerant corn) https://biofortified. org/2012/08/monsantos-gm-drought-to lerant-corn/

What must happen before meiosis can begin? a. four gametes must be produced b. the four tetrads must be pulled apart c. dna doubles and produces sister chromatids d. the cell membrane pinches together

Compare the composition of the moon's surface with the composition of the earth's surface.

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.