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iVinArrow [24]
3 years ago
14

Help ! will give brainliest!

Biology
1 answer:
Vera_Pavlovna [14]3 years ago
3 0
It’s b, biocrusts help the environment
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Because of the scarcity of food in the deep-sea environment, many organisms rely on _________ as their principal source of food.
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Which layer of soil is the most newly formed? A. subsoil B. humus C. topsoil D. bedrock
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Which of the following most likely results in a decrease in a blackbird population
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What type(s) of bacterial pathogens commonly cause community acquired pneumonia in the u.s.? make sure to include the full genus
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7 0
3 years ago
Pigmented eyes (P) are dominant to non-pigmented (p), and dimpled chins (D) are dominant to Non-dimpled chins (d). A pigment-eye
Ivenika [448]

Answer:

PpDD and PpDd

Explanation:

Pigmented eyes (P) are dominant to non-pigmented (p), and dimpled chins (D) are dominant to Non-dimpled chins (d).

The <u>possible genotypes of a pigment-eyed, dimple-chinned person</u> would be  PPDD, PpDd, PPDd, PpDD while a blue-eyed person without a dimpled chin would have the genotype ppdd.

The genotype of a blue-eyed, dimpled chin child would be either of ppDd or ppDD, but in this case, the mother is ppdd and as such, the child cannot have two copies of D allele. Hence, the genotype of the child can only be ppDd.

In order for the child to have blue eyes (pp), it means that the father has to have the non-pigmented allele (p). This also means that the father is heterozygous for eye pigmentation (Pp).

<em>Hence, the genotype of the father is now limited to </em><em>PpDD</em> <em>and </em><em>PpDd</em>.

8 0
2 years ago
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