The condition of a zygote with three copies of a chromosome is known as ________
Fill in the blank with correct word.
Answer: trisomy
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Hardy-Weinberg pointed out that the original proportions of the genotypes in a population would remain constant from generation to generation if certain assumptions are met. Which one of the following is not a Hardy-Weinberg condition?
A. No gene flow occurs. B. Random mating occurs. C. No polymorphic loci exist in the population. D. No selection occurs. E. The population is very large.
You are on the committee to update the design of the hospital NICU (neonatal intensive care unit), which currently has incubators for the babies but not much else. Based on what you have learned about Harlow's experiments with rhesus monkeys, what would you suggest adding to the NICU to improve the babies' health and well-being?
A. comfortable chairs for parents to hold their babies B. softer lighting C. white-noise devices to mask the sound of beeping machines D. pheromones Clarify question: What is the key concept addressed by the question? Looking at what humans need in light of the Harlow experiment with rhesus monkeys. What type of thinking is required? Gather Content: What do you already know about Harlow's experimental results? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
In the food chain grass ? antelope ? human ? lion, the antelope is ________
A) both an herbivore and a secondary consumer B) both a producer and a primary consumer C) both an herbivore and a primary consumer D) a secondary consumer only
Maternal effect genes
A. are expressed only in female offspring. B. can encode proteins that get translated upon fertilization to establish concentration gradients that span the egg. C. are expressed when exposed to high concentrations of estrogen. D. are all found on the X chromosome. E. are expressed only in male offspring because they are hemizygous.