A mutation seen in Drosophila is found to cause antennae to grow on the abdomen of the flies. What type of mutation is this likely to represent?
A) evolutionary mutation B) silent mutation
C) homeotic mutation D) lethal mutation
Answer: C
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How is karyogamy different from plasmogamy?
A. Karyogamy is the fusion of nuclei, whereas plasmogamy is the fusion of cytoplasm. B. Karyogamy is the fusion of cytoplasm, whereas karyogramy is the fusion of nuclei. C. Karyogamy produces heterokaryotes and plasmogamy produces zygotes. D. Karyogamy produces dikaryotic cells, whereas plasmogamy produces diploid cells. E. Karyogamy involves meiosis, whereas plasmogamy involves mitosis.
The molecule shown above is the pyrimidine ____, which is typically found in RNA but not DNA
a. thymine b. adenine c. uracil d. guanine e. cytosine
The male sage grouse who is “displaying” is likely _____
a. indicating that he are ready to spar with other males b. claiming part of the territory as his own c. attracting a mate in a monogamous union d. attracting a mate in a polygamous union e. indicating that he has won a mate
For a population to persist, which needs to be true?
A) P = 0 B) P > 0 C) P < 0 D) P < C