Which of the following would be considered to be a synapomorphy of ferns, conifers, and flowering plants?
Given the following list of characteristics:
A. chlorophylls a & b
B. vascular tissue
C. seeds
D. flowers
B. vascular tissue
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DNA methylation of a gene during spermatogenesis would result in
A. the inactivation of the paternal allele in the offspring. B. dosage compensation by the paternal allele. C. the inactivation of the maternal allele in the offspring. D. the inactivation of the X chromosome. E. dosage compensation by the maternal allele.
Meiosis functions in _____
a. asexual reproduction of single-celled eukaryotes b. growth and tissue repair in multicelled species c. sexual reproduction d. asexual reproduction of single-celled eukaryotes and growth and tissue repair in multicelled species
Some sponges are green because they
A. Are more like plants than animals B. Filter algae out of the water for food C. Have photosynthetic organisms in their tissues D. Are primary predators
Which blood type lacks the sugar found on the surface of red blood cells in other blood types?
A) type A B) type B C) type AB D) type O