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vichka [17]
2 years ago
9

Which statement is true of X chromosomes?

Biology
2 answers:
labwork [276]2 years ago
8 0
A. People born female have 2 X chromosomes
serg [7]2 years ago
5 0

Answer:

d

Explanation:

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Suppose a geneticist isolates two bacteriophage mutants. One mutation causes clear plaques (c), and the other produces minute pl
Nesterboy [21]

Answer:

The mentioned parental types are c+m- and c-m+. Thus, the recombinants will be c+m+ and c-m-.  

Now, the given distance between c and m is 8 map units. Thus, the recombinant frequency is 8% or 0.08.  

The total recombinants from 1000 plaques will come out to be 80,  

Thus, the recombinants of each type will be 40.  

Total parental type will be 920, and therefore, each parental type count will be 460.  

Thus, expected c+m- = 460, expected c-m+ = 460, expected c+m+ = 40 and expected c-m- = 40.

5 0
2 years ago
Which feature of Earth is part of the geosphere?
notka56 [123]

Answer:

Rocks

Explanation:

Geo means “earth.” The Earth’s geosphere (sometimes called the lithosphere) is the part of the Earth that includes all the rocks, minerals and landforms of the surface and interior that make up the Earth. It starts at the ground and extends all the way down to Earth’s core.

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3 years ago
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Answer:

correct

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3 years ago
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You are able to see an object if it either makes its own light (a light source), or it reflects light to your eyes. This informa
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Answer:a

Explanation:

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3 years ago
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Both coal and diamonds are forms of elemental carbon. Coal is brittle while diamonds are considered to be the hardest of all sub
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it cause a change in propertied but not elements
 
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