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jekas [21]
2 years ago
12

18. Which of the following animals could detect sound at a frequency of 67,000 Hz? A. Tree frog B. Elephant C. Bat D. Dog

Biology
2 answers:
zalisa [80]2 years ago
8 0

C. Bat, I looked it up in the book

Doss [256]2 years ago
3 0
The animal that can hear 67,000 hertz is a dog !!
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Answer:

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2 years ago
Suppose "A" is a dominant gene for the ability to taste phenylthiocarbamide and "a" is a recessive gene for the inability to tas
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Complete question:

Suppose "A" is a dominant gene for the ability to taste phenylthiocarbamide and "a" is a recessive gene for the inability to taste it. Which couples could possibly have both a child who tastes it and a child who does not?​

a. father AA, mother aa

b. father Aa, mother AA

c. father Aa, mother Aa

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Answer:

c. father Aa, mother Aa

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According to the given information, the ability to taste phenylthiocarbamide is a dominant trait and is imparted by the allele "A". This phenotype would be expressed in both homozygous and heterozygous conditions. The non-taster phenotype would be expressed in the homozygous recessive genotypes only.  

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Hope this helps you :)

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