Fred and Joe, two unrelated, mature male gorillas, encounter one another. Fred is courting a female. Fred grunts as Joe comes near. As Joe continues to advance, Fred begins drumming (pounding his chest) and bares his teeth. Joe then rolls on the ground on his back, gets up, and quickly leaves. This behavioural pattern is repeated several times during the mating season. Choose the most specific behavior described by this example

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#Question id: 2958

#Unit 2. Cellular Organization

Which of the following structures is not a feature of the mitotic chromosome?

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#Question id: 8961

#Unit 9. Diversity of Life Forms

What does recent evidence from molecular systematics reveal about the relationship between grades and clades?

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#Question id: 19180

#Unit 13. Methods in Biology

If two successive PCRs are carried out, in which PCR there are chances of having a non-specific product?

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#Question id: 5828

#Unit 8. Inheritance Biology

__ are chemical fluctuations where hydrogen atoms move from one position to another, such as from one position in a purine to another.

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#Question id: 1532

#Unit 4. Cell Communication and Cell Signaling

For a particular microarray assay (DNA chip), cDNA has been made from the mRNAs of a dozen patients' breast tumor biopsies. Which of the following types of evidence will researchers be looking for in order to determine if the cells are cancerous?