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iren2701 [21]
3 years ago
11

phloem contains specialized cells that move sugars and other nutrients both up and down in plants. Which object is the best mode

l of one of these cells
Biology
1 answer:
qwelly [4]3 years ago
6 0

Answer: B- Drinking Straw

Explanation:

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A man who has type B blood has children with a woman who has type A blood. A. If they are both heterozygous for this trait, pred
Ivenika [448]

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The possible blood types of their children are: type AB (iAiB), type A (iAi), type B (iBi), type O (ii)

Explanation:

Blood type in humans is controlled by a gene with multiple alleles. Alleles iA and iB are dominant over allele i but co-dominant. The following blood types are encoded by the following alleles:

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Blood type A - iAiA or iAi

Blood type B - iBiB or iBi

Blood type O - ii

According to this question, a man who has type B blood has children with a woman who has type A blood. They are both heterozygous, meaning that the man's genotype is "iBi" while the woman's genotype is "iAi". Both parents will produce gametes as follows:

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Using these gametes in a punnet square (see attached image), the following possible blood types are produced in the offsprings:

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