Rarely, a chromosome's structure becomes altered when part of it undergoes duplication, deletion, __________, or
__________. Fill in the blank(s) with the appropriate word(s).
ANSWER: inversion; translocation
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Meiosis results in a reassortment of maternal chromosomes (inherited from the mother) and paternal chromosomes (inherited from the father). If n=4 for a given species, and ignoring the effects of crossing over, what is the probability that a gamete will receive only paternal chromosomes?
A. 1/2 B. 1/4 C. 1/8 D. 1/16 Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about independent assortment? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect 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?
What is the most abundant microbe in the ocean?
a. Bacteria b. Archaea c. Fungi d. Viruses
Which set of terms refers to structures that all contain valves?
a. arteries, veins, heart b. lymph capillaries, arteries, heart c. lymph capillaries, veins, heart d. arteries, capillaries, heart
Which characteristic is shared by cnidarians and flatworms?
A) dorsoventrally flattened bodies B) radial symmetry C) a digestive system with a single opening D) a distinct head