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Serga [27]
3 years ago
6

Many scientists worked together to form a realistic model of the structure of the DNA molecule.

Biology
1 answer:
sleet_krkn [62]3 years ago
7 0
I’m his major contribution to know the full structure of DNA.
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In 1831, Charles Darwin visited the Galapagos Islands. While observing the giant land tortoises that lived on these islands, Dar
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During DNA replication, which of the following components is not required?​
masya89 [10]

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Explanation:

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Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope?
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3 years ago
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Given that the commercial strawberry is an octoploid organism (8n), how many copies of each gene is present in one of the somati
DanielleElmas [232]

Answer:

1. 8 copies of each gene in somatic cells

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Explanation:

According to the question, strawberry is an octoploid organism (8n). This means that it contains 8 sets of chromosomes in its genome. If it contains 8 copies of each chromosome, then it also contains 8 copies of each gene in its body or somatic cell (4 copies from each parent).

However, it will produce gametes or reproductive cells via meiosis. Meiosis is a kind of cell division that reduces the chromosomal number by half. Hence, an octoploid strawberry (8n) with 8 copies of genes will undergo meiosis to produce gametes that have 4 copies of each chromosome and hence, four copies of each gene i.e. 4n (tetraploid).

8 0
4 years ago
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