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Pachacha [2.7K]
3 years ago
12

Which statement best describes the difference between a gene and an allele?

Biology
2 answers:
snow_lady [41]3 years ago
5 0

Answer:

Is D.

A section of a chromosome that usually contains the code for a particular protein is a gene.

An allele is one of two or more variations of a gene.  This makes a phisycall characteristic eather dominant or recesive, depending of the presence of one or another

Nesterboy [21]3 years ago
3 0
"A section of DNA that usually contains the code for a specific protein that determines a specific trait is a gene, while an allele is a section of a gene" is the statement that <span>best describes the difference between a gene and an allele. The correct option among all the options given in the question is option "A".</span>
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During which step of meiosis do homologous chromosomes pair up?
katrin2010 [14]

Answer:

<u><em>PROPHASE</em></u>

Explanation:

The first stage in Meiosis I is prophase I. During this stage the DNA condenses into chromosomes. During prophase I, homologous chromosomes pair up and exchange sections of DNA. This is called recombination or crossing over

5 0
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Based on this phylogeny, which statement is correct?
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Answer:

C

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Gamates cells have half the chromosomes
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The bacteria species known as Escherichia coli is capable of using oxygen to produce energy in a process known as respiration. I
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