An interesting group of ants consists of several virtually identical, closely related species, with females having chromosome numbers of 18, 20, 32, 48, 60, 62, and 64. If one crossed a female of species (
A) with 32 chromosomes and a male species (B) with 9 chromosomes (males are haploid, and each gamete contains the n complement), how many chromosomes would one expect in the body (somatic) cells of the female offspring?
A) 32 B) 9 C) 25 D) 4.5 E) 41
C
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Explain the stages of syphilis. What are the characteristics of and treatments required at each stage?
What will be an ideal response?
The radioactive decay of carbon-14 can be used to determine
a. relative dating. b. absolute dating. c. mutation rates. d. plate tectonics. e. extinction rates.
A karyotype is most like
A) a map showing the hidden location of buried treasure. B) a movie showing the stages of the reproductive cycle of a beetle. C) photographs of every couple at a high school prom. D) the answer key to a multiple-choice exam.
R codes for right-handed and r codes for left-handed. You check the handedness of 20 classmates and find that 15 are right-handed and 5 are left-handed. Which of the following do you know from this information?
a. p^2 b. 2pq c. q^2 d. p