What factors contribute to genetic variation in populations?
What will be an ideal response?
The factors include crossing over and independent assortment during gamete production, new combinations arising as a result of fertilization, and mutations.
You might also like to view...
This is a structure at the head of a sperm cell that allows it to penetrate an egg cell
a. acrosome b. labia c. centriole d. cortical granule e. somite
How long ago did the hominid evolutionary line
diverge from that leading to the great apes? a. about 3 million years ago b. between 10 million and 5 million years ago c. during the Eocene epoch d. less than 2 million years ago e. about 1.5 million years ago
Which statement about endochondral bone development is true?
a. Ossification begins in the diaphysis and later occurs in the epiphyses. b. Bones develop from a noncartilage connective tissue scaffold. c. Most bones of the skull undergo endochondral bone development. d. Only the periosteum undergoes endochondral bone development. e. Osteoclasts are the bone-building cells of endochondral bone development.
All of the following genera are considered resident microbiota of skin sites, except
A. Mycobacterium. B. Corynebacterium. C. Micrococcus. D. Escherichia. E. Staphylococcus.