Dna from one species differs from the dna of another species in a. base rations b. sugars c. phosphate groups d. all the above

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Classify the structures as homologous or analogous, depending on their structure and function.

Which is a genetic engineering advancement directly related to a career in biotechnology? 1) improving solar energy collection 2) transporting textiles at higher rates 3)creating crop foods that resist insect pests 4)repairing historical sites with quality materials