Why do mosquitos need warm temperatures?

2 answers:

7 0

When temperatures fall below 50 degrees, mosquitoes go dormant. Cold winter temperatures do not, however, actually kill the mosquitoes. As long as the temperature is within a typical range for your region, mosquitoes have documented adaptations that allow them to hibernate during cold.

Hope this helps!!

Andrej [43]3 years ago

4 0

Answer:

That's because warmer air incubates viruses faster in mosquitoes, which gives them more time to spread them. Combine that with the fact that warmer temperatures make them hungrier for blood meals, and you've got a recipe for a potential outbreak.

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If a mother has a blood type AB+- and her father has a blood type B- and she marries a man with O- blood type. What is the perce

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Genetics, blood type gene has two alleles, each allele has genotype A, B or O. The A and B are dominant, and O is recessive. So allele A combined with allele O is type A. Similarly, BO is type B, AA is type A, BB is type B, OO is type O, and AB is typeAB.

If both parents have type A blood, then the alleles could be AA or AO, thus the allele A frequency is 75%, allele O frequency is 25% for both parents.
So the chance of alleles OO is 25% × 25% = 6.25%,
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The +/- is called the rhesus factor, with + being dominant, and - being recessive.
So if both parents are -, the kids are always -, otherwise the kids might be + or -.

Child Blood Type Estimate Table:
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TypeAA/OA/B/AB/OA/B/ABA/OBA/B/AB/OB/OA/B/ABB/OABA/B/ABA/B/ABA/B/

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