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Marizza181 [45]
4 years ago
8

Explain how the presence of notonecta chemical cues affects gene expression in the daphnia

Biology
1 answer:
Kaylis [27]4 years ago
4 0

Answer: see explanation

Explanation:

The response includes the explanation that the presence of Notonecta chemical cues enhanced expression of genes associated with crest development in the Daphnia.

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Which statement best describes how a major change in size of one population affects an ecosystem
Delvig [45]
If one population, such as lets say a hawk decreases the niche, or the importance of an animal or its effect in the ecosystem, on the mice. the mice population increases. or it can be lets say plants and bugs, the lady bug goes away and the other bugs eat the plant
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3 years ago
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Genes A and B are located 10cM from each other on a chromosome. Gene C is located 25cM from gene A and 15cM from gene B. What is
AlladinOne [14]

Answer:

0.235

Explanation:

Given

Distance between A and B = 0.10

Distance between B and C = 0.15

Distance between A and C = 0.25

The probability of double crossovers (DCO) are determined by the product of two single crossovers;

Therefore, the probability of a DCO = 0.10 * 0.15

= 0.015

= 1.5%

As the failure to detect a recombination is in DCO, the loci at 25cM will only show recombination at a frequency of:

25 - 1.5

= 23.5%

Hence, the probability that the trihybrid ABC/abc will produce any kind of recombinant gamete = 23.5% = 0.235

4 0
3 years ago
How can food handlers avoid time temperature abuse?
Andru [333]

Make sure food is not left out for an excessive amount of time as this could cause it to enter the danger zone for temperature and allow bacteria to grow. To stay out of the temperature danger zone in the kitchen, make sure your refrigerators and freezers are set to the proper temperature.

<h3>Food is what?</h3>
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  • Food comprises essential nutrients such carbohydrates, lipids, proteins, vitamins, and minerals and is frequently generated from plants, animals, or fungi.
  • An organism consumes the substance, which is then absorbed by its cells to provide energy, support life, or stimulate growth.
<h3>What is temperature?</h3>
  • Temperature is a physical quantity that expresses how hot matter is, or as a measure of the average translational kinetic energy per atom or molecule in the system.
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Learn more about temperature here:

brainly.com/question/15267055

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2 years ago
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Answer:

C HIGH TEMPERATURE

Explanation:

NO NEED TO THANK JUST STREAM BTS BUTTER IN YOU TUBE THAT'S ENOUGH FOR ME!!!

(◔‿◔)

8 0
3 years ago
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If a somatic human cell is just about to divide, it has __________ chromatids.
diamong [38]
If a somatic human cell is about to divide, then it has 92 chromatids. this is because there are 23 pairs of homologues chromosomes in a cell, one is given by both parents. when a cell divides my mitosis, the pairs separate into 46 chromatids, each one that is replicated which gives you 92 chromatids.
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