Prior to genetic engineering, humans often used _______ to gain desired traits in animals, such as dogs.

1 answer:

6 0

Your answer would be, Prior to genetic engineering, Humans often used is called Selective Breeding, to gain desired traits in animals, such as dogs.

Hope that helps!!!! ( Answer: Selective Breeding).

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In humans, the hormone testosterone enters cells and binds to specific proteins, which in turn bind to specific sites on the cel

Crank

Answer:

They act to regulate the expression of specific genes (androgen-responsive)

Explanation:

Testosterone is a reproductive hormone in male humans. Testosterone as well as its closely related hormones e.g dihydrotestosterone, all belong to a class of hormones called "Androgens".

Androgens operate by entering into a cell and binds with specific androgen-receptor proteins (AR proteins). This contact activates the AR proteins, forming an androgen-receptor complex.

This complex then translocates into the nucleus of specific cells to bind to the DNA. Once it binds, it either inhibits or promotes the expression of specific genes (androgen-responsive). Hence, AR proteins are transcription factors because they play a significant role in regulating transcription of specific genes i.e. turning 'on' or 'off' of specific genes.

This process helps to direct the development of male sexual characteristics.

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4 years ago

The word ORGANISM means:

AfilCa [17]

The answer is the letter C i think

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In Amazonian giant mice, a fictional species, purple coat color is dominant over yellow coat color. Two mice with the heterozygo

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The result will most likely be purple

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Which structure is NOT matched with its function? Which structure is NOT matched with its function?

maw [93]

Answer:

a. ciliary body: focus the pupil

Explanation:

The choroid thickens behind the iris and forms the circular ciliary body. Ciliary muscles are present in the ciliary body. The lens is attached to the ciliary body by ligaments. The function of the ciliary body is to holds lens in place and to serve in accommodation.

When focusing on a distant object, the relaxed ciliary muscles make the lens is flat and the suspensory ligament is taut. When focusing on a near object, the contraction of the ciliary muscles of the ciliary body allows the lens to accommodate. The lens becomes rounded causing the suspensory ligament to relax. Thereby, the ciliary body regulates the shape of the lens for near and far vision.

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PLEASE HELP!!! In a certain plant, yellow leaves are dominant (Y) and red leaves are recessive (y). A plant with genotype Yy and

Fiesta28 [93]

Answer:

I believe the answer is c

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