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Crazy boy [7]
3 years ago
6

Which is a leading theory for the formation of fossil fuels?

Biology
1 answer:
PSYCHO15rus [73]3 years ago
3 0
D. Fossil fuels are the remnants of organisms that lived a long time ago and were buried, heated, and formed into hydrocarbons.
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1. In pea plants, tall (T) is dominant to dwarf (t). Show the cross
MA_775_DIABLO [31]

Answer:

Tt - 2/4 = 1/2 or 50%            Heterozygous TALL

tt - 2/4 = 1/2 or 50%             Homozygous Dwarf

Explanation:

So let's make a Punnett for this so you can see what the outcome is yourself:

Tall is <u>dominant</u> - T

Dwarf is <u>recessive</u> - t

Heterozygous means that they have one of each allele. The genotype of one parent would be then Tt.

***It is heterozygous tall because Tall is a dominant trait so if it is accompanied by the recessive trait dwarf, then the Tall allele would mask it.

The other parent is a dwarf plant. The genotype would then be tt.

*** Now for a recessive trait to appear, it should not have a dominant trait mixed with it, which could mask it. The result then is homozygous recessive or homozygous Dwarf.

So now that we know the genotypes of the parent plants, we can put it into a Punnet:

    t      t

T  Tt   Tt

t   tt    tt

As you can see, out of the 4 outcomes we have:

Tt - 2/4 = 1/2 or 50%            Heterozygous TALL

tt - 2/4 = 1/2 or 50%             Homozygous Dwarf

5 0
3 years ago
Which of these statements are true and which are false?
emmasim [6.3K]

1 is true

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3 is true

4 is true

5 is false

6 is false

7 is false

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3 years ago
What is the answer to this question?
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By mating with desired traits is your answer
8 0
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If cells are constantly splitting, why aren't they getting smaller too? Half of a muffin is not as big as a whole muffin. When y
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There Is a phase in mitosis called G0, which occurs before the other stages. jn this stage, cells grow in order to become big enough go divide, meaning cells take the time to grow in order to divide at the same sizs.
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Which heat-induced condition is treated by removing clothing and getting the patient into a tub of cool water?
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