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nevsk [136]
3 years ago
13

White spotting, or piebald trait, characterized by an absence of hair pigment in specific places, is caused by mutant copies of

a
Biology
2 answers:
Alexus [3.1K]3 years ago
4 0

Answer:

gene

Explanation:

took the usatestprep

Roman55 [17]3 years ago
3 0
The answer is a gene.

During an embryogenesis, cells divide to form tissues and organs. In some moment, a mutation could occur in a gene in some cell. The copies of those genes molecules will be mutant copies and will be present only in that cell line. That is why pigment is absent only in specific places.
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Rowan is doing a project on soft corals. Which is the correct way for Rowan to describe soft corals?
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Answer:

Description below

Explanation:

Alcionaceans (Alcyonacea) is an order of corals that belongs to the subclass Octocorallia, of the Anthozoa class. <em>Soft corals</em> are commonly called, since they do not produce skeletons of calcium carbonate, so they do not contribute to the construction of the reefs, although they inhabit them.

The so-called soft corals and leather or leather corals, mostly meaty in appearance, have microscopic crystals of calcite in their tissues called spicules, whose function is to give consistency to the animal's tissue, in the absence of a skeleton. The shape and distribution of the spicules are the main characteristics used in the identification of genera and species of octocorals.

In addition to soft corals, this order includes gorgonians, which replace the skeleton of hard corals, Scleractinia order, by semi-rigid structures composed of calcite and / or a substance they generate called gorgonin.

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2 years ago
The femur is a typical example of a long bone. Describe the structure of the femur diaphysis and the epiphyseal ends. Explain wh
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<u>Answer</u>:

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