Which of the following is not a category of genetic disorders?
a. multi-factorial
b. environmental
c. single-gene
d. chromosomal

Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

What sre the effects of hemolytic disease of a newborn