In horses, black coat color is influenced by the dominant allele (B), and chestnut coat color by the recessive allele (b)
Trotting gait is due to a dominant gene (T), pacing gait to the recessive allele (t). Give the genotype and phenotype of the
horse you would use in a testcross to determine the genotype of a black trotter.
What will be an ideal response?
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When does the synaptonemal complex disappear?
A) late prophase of meiosis I B) during fertilization or fusion of gametes C) early anaphase of meiosis I D) mid-prophase of meiosis II E) late metaphase of meiosis II
Which of the following statements DOES NOT characterize decomposers?
A. They feed on nonliving organic matter. B. They are saprobes. C. They break down wastes. D. They release nutrients that other organisms can use. E. They contain endosymbionts.
Which component of a negative feedback mechanism is responsible for producing the effect that counteracts the
original environmental change away from homeostasis?
a. sensorb. response c. effector d. stimulus e. integrator
A dangerous form of diarrhea complicated by anemia may be caused by
a. Staphylococcus aureus. b. Clostridium botulinum. c. Escherichia coli. d. Mycobacterium tuberculosis. e. Helicobacter pylori.