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Valentin [98]
3 years ago
11

PLEASE HELP FAST!!!!! How does sexual reproduction introduces genetic variation into offspring?

Biology
1 answer:
hichkok12 [17]3 years ago
6 0
During meiosis the parent cells are eventually split into four cells that aren't identical at all. During meiosis 1 crossing over occurs which causes the chromosomes to basically get all mixed up
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Homologous chromosomes are similar in all of these characteristics except:
Gnesinka [82]

Answer:

Except alleles

Explanation:

Alleles are different versions of the same gene and that's because they have different DNA, even though it is slightly different it can make a lot of changes so that's why they have different alleles.

Allele is actually the variant form of some genes.

The best<u> example </u>for alleles we can find in the gene for blossom color in some species of flowers or plants. Only one single gene is controlling the color and we can see sometimes different versions of it. Those different versions are called Alleles.

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The circulatory system - hemoglobin in the blood transports oxygen :)
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Your body has different kinds of cells. Though they might look different under a microscope, most cells have chemical and structural features in common. In humans there are about 200 different types of cells and within this cells there are about 20 different types of structures or organelles.

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Which type of solution is ideal for carrying out cell functions in the body?
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In dna, which base pair goes with adenine
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Thymine
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