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torisob [31]
3 years ago
6

if you are tracing the occurrence of left handed people in your family. this trait is recessive. what does shaded circle mean?

Health
1 answer:
Kruka [31]3 years ago
7 0
0.25 right-handed homozygous, 0.50 heterozygous and 0.25 recessive homozygous for a 0.5 allele frequency for each allele.
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Answer:

Mary's target heart rate  is 103 beats per minute (bpm).

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The maximum heart rate (MHR) is the rate at which the human heart of a given person reaches the highest demands. At rest, the heart rate is about 60 to 80 beats per minute.

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Now we can calculate Mary's target heart rate:

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Hope this helped!

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B is the right answer for that reason. 
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