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Eduardwww [97]
2 years ago
14

The brachialis does not act at the shoulder and the coracobrachialis does not act at the elbow joint. Explain

Biology
1 answer:
Bezzdna [24]2 years ago
6 0

Answer:

Coracobrachialis  is the first muscle that gets innervation. it is involved in the flexing of shoulder and its adducts at the glenohumeral point. It does not cross elbow joint that's why it has no function there.

Brachialis is the essential versatile flexor of elbow joint. It originates at the upper arm almost mid of humerus, from the distal portion and inserts on ulna. that is why it can not have any kind of influence on shoulder.

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Answer:

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Explanation:

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Answer:

The first male was bb Ee, and the second male was bb EE.

Explanation:

In Labradors coat colour is controlled by two genes. Suppose the two genes are B and E. B produces black colour and recessive form bb gives brown colour. Gene E is epistatic over gene B in its recessive form which means that ee will produce yellow colour regardless of the genotype present of B gene.

The first case is possible if the female lab is bbee (yellow) and the male lab is bbEe (brown):

bbee X bbEe

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So half of the offspring will be brown (bbEe) and half of them will be yellow (bbee)

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1 year ago
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