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PSYCHO15rus [73]
3 years ago
14

Vocal cords produce sound when air from the lungs pushes past them, causing them to vibrate. The girl in the image below is usin

g her vocal cords to produce sounds known as singing.
What does the girl need to do to increase the volume of her voice?
A.
contract her throat muscles in order to tighten her vocal cords
B.
relax her throat muscles in order to loosen her vocal cords
C.
decrease the force with which air is traveling past her vocal cords
D.
increase the force with which air is traveling past her vocal cords
Biology
1 answer:
andrew11 [14]3 years ago
7 0
The answer is obviously D
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Answer:

The phenotypes are as follows

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Purple, constricted- 3

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Explanation:

This is a dihybrid cross involving two distinct genes. One coding for flower color and the other for pod shape. The allele for purple color (P) is dominant over the allele for white color (p) while the allele for full pod (F) is dominant over the allele for constricted pod (f).

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Purple color, full pod- 9

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White flower, full pod- 3

White flower, constricted pod- 1

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