Sex cells having the ___________ number of chromosomes are called ____________.
a) haploid ; zygotes
b) haploid ; gametes
c) diploid ; gametes
d) diploid ; sperm
e) diploid ; somatic cells
Ans: b) haploid ; gametes
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A species is composed of
a. related organisms. b. a group of reproductive females. c. populations that have the potential to interbreed and produce fertile offspring. d. organisms located in the same habitat. e. all males and females in the same geographical range with the same ecological requirements.
What is the general order of genes involved in determining early Drosophila development?
What will be an ideal response?
Tubular reabsorption occurs when most of the fluid and solutes move back into the ________
Fill in the blank(s) with correct word
Unrelated birds that nest in holes in trees produce eggs with white shells, as opposed to eggs with speckled or colored shells. This is an example of
A. polyploidy. B. ecological isolation. C. convergent evolution. D. range.