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dolphi86 [110]
4 years ago
12

What caused some family lines of Siamese cats to change their appearance from the classic to the modern shape?

Biology
2 answers:
sveta [45]4 years ago
8 0

Answer:

D. artificial selection

Explanation:

I did it and got it right .

AlexFokin [52]4 years ago
3 0

Answer:

A. an increase in genetic diversity

Explanation:

Genetic diversity is the degree of gene variety within a single species (animal or plant). It corresponds to the total number of genetic characteristics in the genetic composition of species or subspecies. Genetic diversity is one of the main aspects of our planet's biodiversity, such as populations and ecosystems.

In the case of Siamese cats, genetic diversity has caused some lineages to change their appearance from classic to modern. This occurred by crossing Siamese cats with cats of other breeds, creating a wide genetic variety that resulted in the change in appearance of these cats.

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An ice cube weighing one gram is placed in a closed insulated container with 9 grams of water at 20 degrees celsius (68 F). Afte
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Ten grams of water. The ice obviously melted.
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3 years ago
Cell differentiation always involves
mestny [16]

Answer: (C) The production of tissue-specific proteins.

Explanation:

 The cell differentiation is the process in which the cell change from one cell place to another place. It basically occur due to the process of gene expression.

The cell differentiation involve the production of the specific tissue protein known as muscle actin. In cell differentiation, the pluripotent stem cell basically go in the specific differentiation level and then reach in the state of fully differentiation.

The fully differentiation produced a specific function that the production of the protein. Therefore, option (C) is correct.

5 0
3 years ago
In laborador retrievers, pigment color is influenced by two genes. Gene A determines the type of pigment produced and gene B aff
ollegr [7]

Answer:

Black dogs = A_B_

Brown dogs = aaB_

Yellow dogs = A_bb and aabb

Explanation:

In laborador retrievers, pigment color is influenced by two genes. Gene A determines the type of pigment produced and gene B affects whether the pigment gets deposited in the hair shaft. If two heterozygous black laborator retrievers were crossed and offspring were produced in a ratio of 9 black dogs to 3 brown dogs to 4 yellow dogs, what are the genotypes of the offspring?

Gene A determines colored pigment.

Gene B ensures that the colored pigment is deposited.

Two heterozygous black laborador retrievers were crossed.

AaBb   x   AaBb

Progeny

9 A_B_

3 A_bb

3 aaB_

1 aabb

<em>Since there were 9 black, 3 brown and 4 yellow dogs, the possible genotype of the different colors are: </em>

Black dogs = A_B_

Brown dogs = aaB_

Yellow dogs = A_bb and aabb

3 0
4 years ago
Type 11b fast twitch muscle fibers are those used in a short sprint <br> a. True <br> b. False
katrin2010 [14]
The correct answer for this question would be A) TRUE.
7 0
3 years ago
What type of proteins are produced by rough<br> ER? PLS I NEED HELP!!!!
777dan777 [17]

Answer:

Proteins synthesized by the rough ER include the prominent milk protein casein, and whey proteins.

Explanation:

These proteins are packaged into secretory vesicles or large micelles and travel through the Golgi network before fusing with the plasma membrane, releasing their contents into milk ducts.

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3 years ago
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