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3 years ago

2. List 5 potential pros and 5 potentials cons of biotechnology

Biology

1 answer:

pychu [463]3 years ago

6 0

Answer:

Pros: Farming is more efficient, Output level is high

Cons: Utilization of genetic engineering and GMOs is involved, Pandemics or epidemics

Explanation:

Pros:

1. Farming is more efficient

2. Pesticides or herbicides are used in less quantity.

3. Dependency level on other countries is less

4. Output level is high

5. Longer shelf-life of the products.

Cons:

1. Utilization of genetic engineering and GMOs is involved.

2. Loss of biodiversity

3. Cross pollination may lead to problems with hybrid.

4. Pandemics or epidemics

5. Excessive quantity of artificial flavors in food.

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In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. If a red-eyed heterozygous f

ladessa [460]

The answer is Rr and rr.

We know:
r - recessive allele
R - dominant allele
RR - dominant homozygote with red eyes
Rr - heterozygote with red eyes (since one dominant allele R can mask recessive allele r)
rr - recessive homozygote with sepia eyes

Heterozygote Rr can give to the offspring either dominant allele R or recessive allele r. Recessive homozygote rr can give to the offspring only recessive allele r (take a look at the uploaded image of Punnett square).
After crossing the parents:
Parents: Rr x rr
Offspring: Rr rr Rr rr

So:
2 out of 4 offspring will be with heterozygous with red eyes Rr: 2/4 = 0.5 = 50%
2 out of 4 offspring will be with homozygous with sepia eyes rr: 2/4 = 0.5 = 50%

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3 years ago

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Indicate if the following statements about prokaryotes are true or false. A. They contain a plasma membrane B. They contain inte

lara [203]

Answer:

A, C, D are true, B is false

Explanation:

Prokaryotic cells are surrounded by a plasma membrane, but they have no internal membrane-bound organelles within their cytoplasm. They have a cell wall and cytoplasm containing ribosomes

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Photosynthesis and respiration

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Answer is A all living things need to go through the photosynthesis cycle and need oxygen to sustain life

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Which of the following mechanisms is NOT used to propel lymph through lymphatic vessels? A. gravity B. small heart-like pumps C.

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Answer:

B. small heart-like pumps

Explanation:

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Answer:

true

Explanation:

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