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3 years ago

In anatomical, directional terminology, the esophagus is _________ to the mouth.a.Superiorb.Lateralc.Mediald.Posterior

Biology

1 answer:

Margaret [11]3 years ago

4 0

Answer:

In anatomical directional terminology, the esophagus is posterior to the mouth (option d).

Explanation:

The esophagus is a tubular organ that is part of the digestive system and its function is to carry food from the mouth to the stomach. The anatomical relationship of the proximal end of the esophagus, with respect to the mouth, is posterior and inferior, its distal end also being located above the stomach.

This anatomical relationship allows the direction of food movement to be mouth → esophagus → stomach.

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vekshin1

answer :

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2 years ago

After crossing over as shown below what would the sequence of genes be for each of the chromatids

SashulF [63]

The sequence of the genes will be ABCD, abCD and abCd, abcD.

Full question is attatched below.

<h3>Explanation:</h3>

The genes in the chromosomes are denoted as the sequence of genes present in a single chromatid of a particular chromosome. Thus, the genes here in this question are to be mentioned as ABCD and not as abab.

Crossing over is the process by which the homologous pair of chromosomes do pair up in the Prophase 1 of meiosis 1 division and they exchange a particular part of their DNA with each other. This leads to exchange of genes between the homologous chromosomes, which will form different gametes in near future. This brings about a variation between the offsprings of same individuals.

Here the d gene of the two chromosomes are getting exchanged.

So the chromosomes will become ABCD, abCD and abCd, abcD respectively.

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3 years ago

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2 years ago

Which description is an example of a structural adaptation?

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Explanation:

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