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gogolik [260]
3 years ago
12

Which of the following has the element correctly matched with its description?

Biology
1 answer:
BlackZzzverrR [31]3 years ago
3 0

Hello. This question is incomplete. It is important that you always provide all the information so that your question can be answered the way you deserve.

The full question is:

"Which of the following has the element correctly matched with its description?

The duodenum is the first section of the small intestine and contains Peyer's patches.

The bile moves upward and backward and pushes the bolus

The bones attaches the liver to the anterior abdominal wall

Tongue toxins prevent water absorption in the large intestine"

Answer:

The duodenum is the first section of the small intestine and contains Peyer's patches.

Explanation:

It is true that the duodenum is the first section of the small intestine where Peyer's patches are located. The duodenum is the place where most of the entire digestive process occurs, in addition, it allows food to mix with bile and digestive juices.

Peyer's patches play an important role in immunological surveillance during digestive processes. This is because it allows the destruction of possible pathogens associated with food, or that interfere with digestion in some way.

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The hypothalamus:_______
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controls autonomic nervous system and regulates thirst

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The ABO blood group assorts independently of the Rhesus (Rh) blood group and the MN blood group. Three alleles, IA , IB , and i,
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Answer:

Part 1:

The mother’s genotype is ii, rr, MN

The father’s genotype is IAIA/IAi, Rr, MM

Part 2:

Approximately 1/32 (3.125%) of children can be expected to have the stated blood types.

Explanation:

Part 1:

The mother has blood types 0, Rh- and MN. Therefore, her genotype has to be ii, rr, MN.

The father has ABO type A. His ABO genotype may therefore be either IAIA or IAi, as both are compatible with type A offspring with a type 0 mother. His Rh genotype must be rr, since his Rh- child necessarily has to have inherited one r allele from each parent. Finally, his MN genotype has to be MM since both alleles are codominant.

Part 2:

Using the given data, we build the following Punnett chart:

                IA R N     IA r N     i R N     i r N    

IA R M

IA R N

IA r M

IA r N

IB R M

IB R N

IB r M                                                    X

IB r N                                                              

Note that, of all 32 possible combinations, only a single one of them (marked with “X” produces a genotype which matches the desired blood type, as follows:

genotype: IBi, rr, MN

blood type: B, Rh-, MN

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