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Anarel [89]
2 years ago
14

The _______ system is the primary system that prevents the risk of various infections.

Biology
1 answer:
Fittoniya [83]2 years ago
7 0
Hi,

The answer you're looking for is immune system.

<em>Hope this helps!</em>
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Assume that a cross is made between AaBb and aabb plants and that the offspring occur in the following numbers: 106 AaBb, 48 Aab
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linkage with approximately 33 map units between the two gene loci

Explanation:

If two genes are not linked, number of recombinants and parental offspring will be equal. Here it is clearly visible that recombinants are less than parental offspring hence the genes are linked. Given, the offspring are in following numbers:

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1% recombination frequency= 1 map unit of distance between the two gene loci. So here the distance between the two gene loci is approximately 33 map units.

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What must happen to a chromosome before a cell starts mitosis?
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