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Olegator [25]
3 years ago
11

How have advances in biotechnology and genetic engineering been built on past discoveries?

Biology
1 answer:
uranmaximum [27]3 years ago
7 0

<span>It began with selective breeding in the ancient times where a population with desirable traits were bred with other population to achieve a desired set of traits. It then continued with the advance in the discovery of bacteria (Escherichia coli) and antibiotics. Then Watson and Crick discovered the structure of DNA. The latest advance being that of gene sequencing and gene editing tools. </span>






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How does a photovoltaic cell convert light to electricity?
Alecsey [184]

Answer:

I'm glad you asked!

Explanation:

The answer is light excites electrons that create a current.The Photo voltaic cell puts the light into a type of electricity and BOOM ,there you have it!

5 0
3 years ago
Which puppy is the heaviest?
12345 [234]

Answer : B is the heaviest puppy amongst all.

Explanation : There are three comparisons shown in the figure, out of which B is assumed to be heaviest amongst all on the basis of following assumptions.

When weighing A and C puppy, A was found to have lighter weight than C. So, in this case C is the heavier puppy.

In second case, when C and D are weighed, both are found to be equal in weight.

Then last comparison was with B and D puppies where, D was observed to be of light weight and B proved to be the heaviest.

Therefore, the conclusion is that B is the heaviest puppy in comparison with rest others.

3 0
2 years ago
Read 2 more answers
If an organism has a diploid number of 6 chromosomes, how many different combinations of maternal and paternal chromosomes are p
Alexxandr [17]

The different number of maternal and paternal chromosomes possible will be 8. that is option A is correct.

Chromosomes are defined as the genetic material within the body. They are thread like structures within the DNA and are made of proteins. In general human body has 23 pairs of chromosomes out of which 22 are numbered while 1 is the sex chromosome. Gametes are genetic material that are generally haploid in nature and they carry only one chromosome along with them. According to the question, there are 6 diploid chromosomes present which means there are 3 pairs of chromosomes. So each gametes will have a total number of 3 chromosomal pairs irrespective of their type that is maternal or paternal. Therefore combination of maternal and paternal chromosomes are given by

Combination = 2ⁿ where n is pair of chromosomes and here n = 3

Combination = 2³ = 8

Learn more about chromosomes at:

brainly.com/question/11912112

#SPJ4

Complete Question :

If an organism has a diploid number of 6 chromosomes, how many different combinations of maternal and paternal chromosomes are possible in its gametes?

A. 8

B. 12

C. 3

D. 16

E. 6

8 0
1 year ago
According to cell theory, what do each of the following organisms have in common?
natali 33 [55]

Answer:

The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells. Rudolf Virchow later made important contributions to this theory.

Explanation:

8 0
3 years ago
The term higher brain centers refers to those areas of the brain involved in higher-order functions. These centers would probabl
marysya [2.9K]

Answer: A. Cerebrum

Explanation:

The cerebrum which is located below the cerebral cortex serves as the main thought and control center of the brain. It is the seat of higher-level thought like emotions and decision making (as opposed to lower-level thought like balance, movement, and reflexes). It is known as the higher brain center

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