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KengaRu [80]
3 years ago
13

________ are permanent alterations in a cell's dna that affect the nucleotide sequence of one or more genes.

Biology
1 answer:
Leni [432]3 years ago
7 0
Genetic mutations...
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The fuel most commonly used in fission reactions is _____. Pu-239 Np-239 U-235 U-238
shtirl [24]
Answer: U-235

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what is a roan color in cattle is controlled by codominant genes for both red and white hair. if a roan cow is crossed with a wh
g100num [7]

Answer:

50%

Explanation:

<em>Roan color is controlled by two codominant alleles. Let us assume that the red color allele is R and the white color allele is W. Thus, the roan color would be RW.</em>

Roan color cow is crossed with a white bull;

    RW   x   WW

RW   RW   WW   WW

RW = roan = 50%

WW = white = 50%

1/2 or 50% of the offspring would be roan color while the remaining 1/2 or 50% would be white in color.

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3 years ago
Which statement best describes an autotroph?
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Answer:

B Autotrophs make their own food because they are producers.

Explanation:

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Aleonysh [2.5K]

Answer:

Convergent boundaries: where two plates are colliding. Subduction zones occur when one or both of the tectonic plates are composed of oceanic crust.

Divergent boundaries – where two plates are moving apart.

Transform boundaries – where plates slide passed each other.

Explanation:

Oceanic

Earth's crust is divided into two types: oceanic crust and continental crust. The transition zone between these two types of crust is sometimes called the Conrad discontinuity. Silicates (mostly compounds made of silicon and oxygen) are the most abundant rocks and minerals in both oceanic and continental crust.

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AQUATICS SCIENCE please help me
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