Choose the true statements about the human and chimpanzee genomes.
_____ A comparison of genomes confirms that humans and chimpanzees are closely related species.
_____ Very few mutations differentiating the two genomes occur in coding DNA.
_____ Some insertion-deletions (indels) lead to loss of function changes in the two genomes.
_____ More similarity exists between the genomes of human and mouse than between human and chimpanzee.
_____ The estimated genome sizes and number of genes is very different in humans and chimpanzees.
__X__ A comparison of genomes confirms that humans and chimpanzees are closely related species.
_____ Very few mutations differentiating the two genomes occur in coding DNA.
__X__ Some insertion-deletions (indels) lead to loss of function changes in the two genomes.
_____ More similarity exists between the genomes of human and mouse than between human and chimpanzee.
_____ The estimated genome sizes and number of genes is very different in humans and chimpanzees.
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In a two-point cross to map genes A and B, you obtained 98 recombinant types and 902 parental types among the offspring. How far apart are these genes?
A. 9.8 cM B. 0.98 cM C. 90.2 cM D. 9.02 cM E. .098 cM 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 already know about two-point mapping? 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?
In the ovary, an egg (oocyte) and its surrounding cells form a ______.
A. follicle B. corpus luteum C. oviduct D. endometrium
Which of the following may be parasitic with humans?
A) Slime mold B) Amoeba C) Diatom D) Apicomplexan E) Dinoflagellate
Filamentous cyanobacteria often divide by which of the following?
A.budding B. mitosis C. fragmentation D. formation of endospores