The nitrogen cycle includes physical changes of matter? TRUE OR FALSE?

Which best summarizes the finding of avery? a. some traits are recessive. b. humans reproduce sexually. c. dna is a transforming factor. d. traits cannot be inherited.

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.