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saveliy_v [14]
3 years ago
9

Explain why cells are small instead of large

Biology
1 answer:
ira [324]3 years ago
5 0
In a technical term, there is both small cells and large cells, but they are microscopic because they are what organic life is created upon. With cells, living creatures is possible. Cells are also small since there is such a large quantity of them, that they can be combined with other cells into a conglomerate that will synergize into a life form.

Also cells can be big, for example the egg cell within a female human can be as large as the head of a pin, which is absurdly large for a cell.
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THE ANS IS:

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HELP ASAP<br> Punnett Squares
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Answer: The genotype ratio of offsprings of a cross between one homozygous tall plant and one heterozygous tall plant is 2TT:2Tt

The phenotype ratio is that all offsprings will be tall.

The genotype ratio of a cross between two heterozygous red flowers is 1RR:2Rr:2rr. The phenotype ratio is 3 Red flowers: 1 white flower.

Explanation: From the information given, tall is dominant and short is recessive while red is dominant and white is recessive.

Let T represent the allele for tall height, t represent the allele for short height, R represent allele for red flowers and r represent allele for white flowers.

The genotype of a homozygous tall plant is TT, the genotype of a heterozygous tall plant is Tt, the genotype of a heterozygous red flowered plant is Rr.

The possible genotypes of offsprings of a cross between one homozygous tall plant and one heterozygous tall plant are TT and Tt.

Tt will manifest outwardly as tall because T is dominant over t. Therefore, all the offsprings will be tall.

The possible genotypes of a cross between two heterozygous red flowers are RR, Rr and rr. RR will manifest as red, Rr will also manifest as red because R is dominant to r while rr will manifest as white because white allele (r) is recessive. Therefore 3 plants will be red-flowered while 1 plant will be white flowered.

See the attached punnet squares for details of the cross.

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Hope this helped!
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Definition of sensitivity

: the quality or state of being sensitive: such as. a : the capacity of an organism or sense organ to respond to stimulation : irritability. b : the quality or state of being hypersensitive.

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