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hram777 [196]
3 years ago
6

Why should sources of scientific information be credible accurate and relevant?

Biology
1 answer:
lina2011 [118]3 years ago
6 0
Because it needs to be able to be proven and it avoids being incorrect.
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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.

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What is one major function of the endomembrane system? producing and storing energy, transporting subtances in a cell, manufactu
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The wings that maintain balance in diptera are called ____________.
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These are called Halteres.
hope this helps!
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Elastic bands of connective tissue called ligaments connect the bones in a joint. true or false 
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Joints are held together by ligament. Which are strong elastic bands of connective tissue that allow bones to glide over one another and provide flexibility.
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ec·o·sys·temDictionary result for ecosystem

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