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ohaa [14]
3 years ago
5

Homeostasis is the regulation of an organism’s internal environment to maintain conditions suitable for life. Homeostasis requir

es
A) competition between the body’s systems.
B) balance between all of the body’s systems.
C) the body’s systems to act independently of each other.
D) maximum growth of all types of cells and tissues within the body.
Biology
1 answer:
Inessa [10]3 years ago
7 0

Answer: B) balance between all of the body’s systems.

Explanation: Homeostasis is the regulation or maintenance of a stable internal environment of the body. In achieving homeostasis, all the organs and systems of the body must function harmoniously to maintain a balance.

If balance is not maintained by the organs and systems of the body, a disease or disorder may arise.

Example of homeostasis is the secretion of insulin by the pancreas following a meal to regulate the blood glucose concentration.

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HELP ASAP<br> Punnett Squares
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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.

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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.

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

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See the attached punnet squares for details of the cross.

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