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defon
3 years ago
9

Can someone help me out with brainless to the correct answer please hurry I really need this ​

Biology
1 answer:
Irina-Kira [14]3 years ago
7 0
The answer would be a I believe
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Consider a cross to investigate the pea pod texture trait, involving constricted or inflated pods. Mendel found that the traits
nirvana33 [79]

Answer:

C. 217

Explanation:

Mendel obtained the phenotypic ratio of 3 dominant: 1 recessive in the F2 generation of a monohybrid cross. According to the given information, inflated pods are dominant over the constricted one.

Let's assume that the allele C is responsible for inflated pods while the recessive allele "c" gives constricted pods. A cross between two pure breeding plants with inflated (CC) and constricted pods (cc) would give all the plants with inflated pods (Cc) in the F1 generation. A cross between two F1 plants would obtain F2 generation in following ratio=3 Inflated: 1 constricted.

Therefore, if 650 plants with inflated pods were obtained in the F2 generation, 217 plants must have constricted pods since 650:217 is almost equal to 3:1.  

4 0
3 years ago
Many bedbugs are highly resistant to insecticides, but the scientist’s bedbugs aren’t resistant. Explain why this happens based
Nutka1998 [239]

Wild Bedbugs become insecticide resistant because of the mutations and natural selections.

<h3><u>Explanation</u>:</h3>

As the huge amount of pesticides and insecticides are sprayed in the rooms for cleaning, the pests and insects like bedbugs dies in huge portions because of the toxin. But some of the bedbugs remain alive as they have mutations that help them to detoxify the toxins given, or bypass the metabolic processes so that the toxins don't hamper them much.

Now as the population becomes very small(bottle neck effect), the nature selects these organisms over the other to propagate more sufficiently and enormously. As the nutrients and supplies are also available, so the bedbugs don't suffer any lack of nutrition which can be a determining factor of their population.

Thus the wild bedbugs become resistant to insecticides while the experimental one remain succeptible to insecticides.

4 0
3 years ago
List 3 pieces of information you would find on a periodic table or elements
adoni [48]

Answer:

1)The atomic mass number of an element

2)The relative electronegativity of an element

3) The period of an element

6 0
3 years ago
You are a doctor working in sierra leone. a patient presents with fever, vomiting, bleeding and a brain infection. which would b
Semenov [28]
I would diagnose the patient with lassa fever. Lassa fever is an acute viral illness which lasts for 4 weeks. It occurs mostly in west Africa and Sierra leone is found in west Africa. Some of it's symptoms are fever, nausea or vomiting, headache and diarrhea. In severe cases bleeding will occur.
6 0
4 years ago
The psychodynamic perspective originated with Sigmund Freud. True or False
Natasha2012 [34]
True because Sigmund Freud (1890-1930) developed these collection of theories
8 0
4 years ago
Read 2 more answers
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