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juin [17]
3 years ago
6

Question on the image below! Help please

Biology
1 answer:
zepelin [54]3 years ago
7 0
1. Aa 2.aa 3. Aa 4. aa
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According to the “hygiene hypothesis,” the problem with extremely clean environments is that they fail to provide the necessary exposure to germs required to “educate” the immune system so it can learn to launch its defense responses to infectious organisms. Instead, its defense responses end up being so inadequate that they actually contribute to the development of asthma.

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Living things come from other living things through either sexual or asexual reproduction.
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Organisms don’t have to only reproduce sexually or only reproduce asexually - some animals do both!

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If a chromosome comes apart because it is not well attached at the center, 1 point
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