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Elodia [21]
2 years ago
6

An early winter frost prevents further growth in a tomato garden. The frost is an example of which of the following?

Biology
1 answer:
qwelly [4]2 years ago
6 0
Give us Choices, but I’m guessing it’s limiting factor
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Twenty-five people developed symptoms of nausea, vomiting, and diarrhea three to six hours after attending a church picnic where
Aleonysh [2.5K]

Answer:

The likely cause is pathogenic bacteria.

Explanation:

The pathogenic bacteria are bacteria that cause food poisoning through the contamination of food by faeces. Examples include Salmonella typhi, E. coli, Clostridium botulinum e.t.c.

This means that they are contacted through faecal oral route.

8 0
3 years ago
The frequency of sickle-cell anemia, an autosomal recessive condition, is 0.007. Assuming that the population is in H-W equilibr
damaskus [11]

Answer:

The correct answer is - 0.084

Explanation:

Sickle cell anemia is a autsmal recessive blood disorder of RBCs where RBC shape altered to the sickle shape or cresecent moon that obstruct and damage the veins and artries.

Normal allele is represented by - HbA - p

sickel cell allele is represented by - HbS - q

genotype frequency of normal allele HbA in the population = p2

genptype frequency of HbAHbS in the population = 2pq

genotype frequency of autosomal recessive HbS = q2 = 0.007 (given)

So, the allelic frequency of the recessive allele =

q =  √ 0.007 = 0.08366 or 0.084

5 0
2 years ago
on the keys and kingdoms activity worksheet what does How many different genus groups are there ? list them mean?
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During the 1900s, the following genetic discoveries were made:
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There are four bases in DNA, and they combine in a specific way. Adenine pairs with thymine, and guanine pairs with cytosine.

Explanation:

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