Worker honeybees are
A) immature bees of either sex.
B) fertile females.
C) fertile males.
D) sterile males.
E) sterile females.
E
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The process by which cells become specialized during development is called _____
a. somatic cell nuclear transfer b. differentiation c. development d. mitosis e. meiosis
Cyanobacteria ____
a. are heterotrophs b. have evolved from ancient chloroplasts c. cannot fix carbon d. cannot fix nitrogen e. produce ammonia from gaseous nitrogen
Which of the following are advantages to Tubifex
worms living in low oxygen environments? a. fewer predators b. no limit to their size c. more reproductive possibilities d. increased asexual reproduction e. none of these
A karyotype reveals that a woman is carrying a fetus that has 47 chromosomes. The test reveals that the genotype of the fetus is XXY. Which of the following statements is correct?
A) The fetus has Turner syndrome, and most likely a nondisjunction event occurred in the mother during egg formation. B) The fetus has Down syndrome, and most likely a nondisjunction event occurred in the mother during egg formation. C) The fetus has Klinefelter syndrome. D) The fetus has an autosomal disorder.