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The bull-throated ding-kishker bird, on the planet Urepetis, shows a variable vo

ID: 222583 • Letter: T

Question

The bull-throated ding-kishker bird, on the planet Urepetis, shows a variable volume in its mating call. The volume is measured in Urepetian decibels (Uds). A random sample of 50 birds show the following distribution of volumes:

Assuming that the mating call volume is a genetic trait strictly determined by underlying genes that act additively, what is the most likely number of genes that determine the mating call volume?

Volume (Uds) Frequency 0.00 - 1.00 4 1.00 - 2.00 12 2.00 - 3.00 20 3.00 - 4.00 11 4.00 - 5.00 3

Explanation / Answer

Answer:

Assuming that the mating call volume is a genetic trait strictly determined by underlying genes that act additively, the most likely number of genes that determine the mating call volume is:

= 2 genes.

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