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andre [41]
3 years ago
15

Genetic engineering is the manipulation of genes using cloning and transformation to change the gene structure. Genetic engineer

ing has many positive outcomes. These positive outcomes include
Biology
2 answers:
Leno4ka [110]3 years ago
8 0
There are many known positive outcomes of genetic engineering both in plant and animals. Among these outcomes include: a. elimination of diseases; b. most desirable traits guaranteed to exist; c. crops that can be pest and disease resistant; d. longer shelf life for plants.
Yuki888 [10]3 years ago
4 0

Genetic engineering finds its interest in the modification of fruits and vegetables that are difficult to cultivate.

After identifying a salinity resistance gene, the researchers transferred it to a tomato plant and were able to grow it in 200 millimeters of sodium chloride water. The gene encodes a protein that sends the salt into the vacuoles of the cells of the leaves which makes it possible to preserve the natural taste of the fruits.

It's not just animals that have viruses. Plants are also affected, and the fight against this plague is particularly difficult. The technique of genetic transfer is directly inspired by vaccines: the plant is introduced into an attenuated form of the virus that becomes resistant in the event of an attack. Fruits and vegetables, which are particularly susceptible to the virus, are among the most common tests. For example, genetically modified papayas are already marketed in Hawaii.

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State two specialised cells found in plants​
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Answer:

xylem cell and phloem cell

5 0
3 years ago
In beans the pod texture and growth form genes are located on different chromosomes. There are two varieties of beans in a farme
irina1246 [14]

Answer:

a. Genotype in F1 - TtBb

   Phenotype in F1 - tough pods, bush-type growth

b. Proportion of F2 that are heterozygous for bush-type growth form = 5/8

c. Proportion of the F2 with tender pods =  1/4

d. Proportion of F2 that are heterozygous for growth form and have tender     pods = 1/8

Explanation:

Since the two traits are located on different chromosomes, they will independently assort during gametes formation. T is dominant over t and B is dominant over b.

Two true-breeding varieties were crossed at the beginning of the program:

TTBB   x   ttbb

All F1 plants will have the genotype TtBb with tough pods and bush-type growth form.

Advancing the cross to F2:

TtBb   x   TtBb

Progeny

1 TTBB   -   tough pods, bush-type

2 TTBb     -  tough pods, bush-type

2 TtBB    -   tough pods, bush-type

4 TtBb     -   tough pods, bush-type

1 TTbb     -    tough pods, climbing-type

2 Ttbb     -    tough pods, climbing-type

1 ttBB       -    tender pods, bush-type

2 ttBb     -      tender pods, bush-type

1 ttbb      -      tender pods, climbing-type

<em>Proportion of F2 that are heterozygous for bush-type growth form = 10/16 = 5/8</em>

<em>Proportion of the F2 with tender pods = 4/16 = 1/4</em>

<em>Proportion of F2 that are heterozygous for growth form and have tender pods = 2/16 = 1/8</em>

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I need it fast
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dude, you asked brainly the whole worksheet?? Do it yourself sreerag!!

6 0
3 years ago
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