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alekssr [168]
3 years ago
13

The heart pumps blood through blood vessels to reach all areas of the body. together, the heart and blood vessels form a(n _____

_____.
Biology
1 answer:
WINSTONCH [101]3 years ago
4 0
Organ system is the correct answer
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A phenotypic ratio for a dihybrid cross is predicted to be 9:3:3:1. The experimental values are:
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Two traits that we are examining are the color (purple/white) and the smoothness. 
In our sample, we have 135 individuals ( 75 +28+24+8= 135).

Since we know that expected ratio of a dihybrid cross, is <span>9:3:3:1 we can calculate what is the expected values of each phenotype is.

So, for the white wrinkled phenotype, we expect that there will be one-sixteenth of the whole sample ( there are 16 parts of the whole sample 9+3+3+1=16).
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