What is the number of chromosomes in the parental cell?
a. 1
b. 2
c. 4
d. 8
c
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Assuming geological evidence is accurate, life on Earth may have originated
a. 14 billion years ago. b. 4.6 billion years ago. c. 3.5 billion years ago. d. 2.1 billion years ago. e. 1.2 billion years ago.
The organ of sexual intercourse and birth is the ____
a. ovary b. oviduct c. vagina d. cervix e. uterus
Only yeast produces alcohol as a fermentation product.
Answer the following statement true (T) or false (F)
Your textbook authors make the claim that "sympatric species with matching chromosome numbers are rare." Why is this?
A) because allopatric speciation is far more common B) because sympatric speciation has only been hypothesized but not documented C) because coexisting populations need a boundary to gene flow before divergence can occur, and differences in chromosome numbers provide this D) because macroevolution is just a theory