Different varieties of chrysanthemum are known to have 18, 36, 54, 72, and 90 chromosomes; all multiples of a basic set of 9 chromosomes. How do you describe each of them based on their chromosome endowment?

What evidence did mendel find that supported his law of independent assortment? a. dominant traits are expressed when there is a dominant allele. b. traits do not affect the inheritance of other traits. c. some traits have three or four different alleles. d. plants and animals can both reproduce sexually.

Four types of motile cells in human body?

Ecology can best be described as the study of what