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Alla [95]
1 year ago
14

Why did Mendel use pea plants in his experiments?

Biology
1 answer:
Digiron [165]1 year ago
8 0

Answer:

C.) They self-fertilize

Explanation:

Mendel used pea plants because they self fertilized, meaning that the plant could supply a sperm and egg cell so it could produce its own offspring. This makes the process of looking at genetics and traits much easier for the scientist studying the genes of plants.

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The answer to this question would be geothermal power.
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3 years ago
Read each of the sentences that describe what happens either during mitosis or meiosis. Drag each sentence into the correct box.
kiruha [24]

Answer:

MEIOSIS:

- Each replicated chromosome pairs with its corresponding homologous chromosome

- Tetrads form and crossing over sometimes occur

- Paired homologous chromosome line up across the center of the cell.

- Four haploid daughter cells form that are not identical to the parent cell

MITOSIS:

- Homologous chromosomes do not pair

- One row of chromosomes line up at the center of the cell.

- The cell nucleus divides only once

- Two diploid daughter cells form that are identical to the parent cell.

Explanation:

Mitosis and Meiosis are the two cellular divisions that occur in living organisms. Mitosis is the kind of cell division that produces two diploid daughter cells that are genetically identical to the parent cell while Meiosis produces four haploid daughter cells (gametes) that are genetically different from the parent cell.

Based on the general description of the two cell divisions above, the following events take place in them respectively:

1) MEIOSIS:

- Each replicated chromosome pairs with its corresponding homologous chromosome (similar but non-identical chromosome from each parent).

- Tetrads form and crossing over sometimes occur. Tetrads are the structures that form when two homologous chromosomes pair while crossing over is the exchange of chromosome segment between two non-sister chromatids of homologous chromosomes. These two only occur during meiosis.

- Paired homologous chromosome line up across the center of the cell during metaphase I of meiosis.

- Four haploid daughter cells form that are not identical to the parent cell. Note that meiosis reduces the chromosomal number of the parent cell by half.

2) MITOSIS:

- Homologous chromosomes do not pair during mitosis.

- One row of replicated chromosomes (sister chromatids) line up at the center of the cell during metaphase.

- The cell nucleus divides only once in mitosis as opposed to twice during meiosis.

- Two diploid daughter cells form that are identical to the parent cell. Note that mitosis retains the chromosomal number of the parent cell.

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An organism with 48 chromosomes in a skin cell undergoes meiosis, how many chromosomes are in each daughter cell? A. 6 B. 12 C.
jek_recluse [69]
The answer is B. Right on edge
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