What is the outcome of synapsis, a significant event in meiosis?
A) chiasma segregation
B) side-by-side alignment of nonhomologous chromosomes
C) side-by-side alignment of homologous chromosomes
D) monad movement to opposite poles
E) dyad formation
Answer: C
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A theory differs from a hypothesis in that a theory
A. has predictive power for similar phenomena that haven't been observed yet. B. has more supportive research evidence than a hypothesis. C. All of the answer choices are correct. D. ties together many existing observations. E. is broader in scope than a hypothesis.
Hypophosphatemia is inherited as a sex-linked dominant trait. The relevant gene is found on the X chromosome. What is the expected outcome of a cross between a homozygous recessive woman and a man with hypophosphatemia?
A. Fifty percent of their daughters and fifty percent of their sons exhibit hypophosphatemia. D. Twenty-five percent of their offspring exhibit hypophosphatemia. C. All of their sons and none of their daughters exhibit hypophosphatemia. D. All of their daughters and none of their sons exhibit hypophosphatemia.
The sense of hearing in vertebrates is dependent on al of the following EXCEPT
a. fluid displacement. b. hair bending. c. bone movement. d. membrane vibration. e. chemical reception.
Your friend Matti accidentally injected himself with double the correct dosage of insulin. He has collapsed. Quick! It's all up to you. What do you do?
A) Give him glucagon. B) Inject him with more insulin. C) Give him CPR. D) Inject him with thyroxine.