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Arlecino [84]
3 years ago
9

Look below (7th grade question)

Biology
1 answer:
Marianna [84]3 years ago
4 0

Answer: I think the answer is D. metamorphism

Explanation:

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The theory of plate tectonics helps to explain ____.
lorasvet [3.4K]
<span>The theory of plate tectonics helps to explain the </span>formation of the earthquakes.




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3 years ago
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Describes the path of a drop of blood leaving the human heart?
soldier1979 [14.2K]

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There are two paths of a drop of blood leaving the human heart. First, the deoxygenated blood leaves the heart and second, oxygenated blood leaves the heart,

Explanation:

Deoxygenated blood leaves the heart through an artery called pulmonary artery which take this blood to the lungs. After that, oxygenated blood carries from lungs to the heart through pulmonary vein. The oxygenated blood in the heart leaves the heart through aorta and distribute this blood in all parts of the body.

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3 years ago
HELP ASAP<br> Punnett Squares
pashok25 [27]

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.

4 0
3 years ago
What does autosomal mean when talking about genes?
Deffense [45]

Answer:

Autosomal dominance is a pattern of inheritance characteristic of some genetic diseases. "Autosomal" means that the gene in question is located on one of the numbered, or non-sex, chromosomes. "Dominant" means that a single copy of the disease-associated mutation is enough to cause the disease.

Explanation:

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3 0
3 years ago
I really need help with this I need one more answer
ioda

Answer:

also E

Explanation:

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3 0
3 years ago
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