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kakasveta [241]
2 years ago
9

Which of the following is the best example of a possible future technology that could be used to eliminate sickle cell disease i

n humans?
A. a genetically engineered virus which can eliminate sickle-shaped cells in human blood
B. genetic screening which matches sickle cell carriers to people with AA genotypes
C. the ability to replace all S alleles in human red blood cells
D. the ability to replace all S alleles in fertilized eggs
Biology
1 answer:
Alex787 [66]2 years ago
6 0

Answer:

C. the ability to replace all S alleles in human red blood cells

Explanation:

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Summary of Mk 3:22
Gekata [30.6K]

Answer:

  1. 3 \times 22 = 66 \\ 2.19 + 47 = 66

8 0
2 years ago
What is the most appropriate method to prepare a sample of cheek cells for PCR?
Dmitry [639]

Answer:

Extraction of genomic DNA

Explanation:

Resuspend the cells(any number), smaller numbers also work, in 10-20 ul of TE buffer or milli Q water. boil for 5-10 min in a waterbath, quick chill, short spin. use the supernatant as a template for PCR.

If cells are very less, u can directly add cells to the PCR reaction without enzyme,boil for 5-10 min in a waterbath, let it cool slowly, short spin. Add enzyme to the supernatant and start the reaction at extension step followed by normal PCR reaction steps.

5 0
3 years ago
Colony collapse disorder that has been decimating bee colonies was first reported around 2006. Massive numbers of honey bees wer
BigorU [14]

This information can be useful to agriculture because bees are major pollinators of crops, so it is important to know which pesticides to manage in order to avoid risk to bee survival. That is option B.

Bees are one of the social insects that lives in societies that are based on a caste system.

Each caste performs a special task or series of tasks that serves as an economic importance to the agricultural system.

Pests such as parasitic mites cause poor agricultural yield. By using pesticides, which are protective chemicals, farmers have greatly improved crop yield.

The bee workers while in search of pollen from crops can be harmed from the pesticides that is being used to control parasitic mites. This can lead to Colony collapse disorder of the caste system of bees.

Therefore,  it is important to know which pesticides to manage in order to avoid risk to bee survival.

Learn more here:

brainly.com/question/22575738

3 0
3 years ago
Pls help................................
Svetach [21]

Answer:

from the lens

Explanation:

it easy gasbbsbsbbsbsbsbbsbsbssbsbssbsbsbbbssbsnns

3 0
3 years ago
Which molecular substance is found on the surface of pathogens that can be detected by leukocytes to launch an immune response?
labwork [276]
I’m pretty sure the answer is Antigens
7 0
3 years ago
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