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qaws [65]
3 years ago
8

White short-horned cattle and Black Angus cattle have been crossed to produce offspring with superior beef and rapid growth qual

ities. This process of choosing organisms with the most desirable traits for mating is known as
A. cloning
B. biodiversit
C. selective breeding
D. genetic engineering
Biology
1 answer:
dem82 [27]3 years ago
6 0

Answer:

The correct answer is option C, that is, selective breeding.

Explanation:

A procedure in which the development of novel organisms is done manually to obtain desirable features is known as artificial selection or selective breeding. In the process, the scientists or the breeders go for two parents exhibiting desired phenotypic characters and mate them to generate offspring comprising desired traits from both the parents.  

The process is used to generate better varieties of vegetables and fruits, bigger animals having more meat, and crops having desired characteristics. Thus, in the given question, where a black Angus cattle and a white short-horned cattle are mated to generate an offspring comprising better qualities of growth and more beef shows that the process of selective breeding is done.  

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Which of the following describes an innate animal behavior
Harrizon [31]
<span>The answer is Monarch butterflies migrating southward.   This describes the innate animal behavior,  </span>Monarch Butterflies perform one of the longest migration known in insects.  Starting from North America, they spend their summer in North America, and migrate south to Mexico for the winter.<span>

</span>
4 0
3 years ago
Describe and explain the importance of the changes to corn.
bekas [8.4K]

Answer no 1)

Corn is a cereal grain which was first known to be domesticated by the people of south Mexico. Corn has been produced since then over the world due to many useful properties which it possesses. It is not only used as a food source but is also being used a fuel as corn ethanol. Nowadays, corn is being genetically modified to enhance its characteristics.

Answer No 2)

Plant domestication was important because it led to the development of agriculture. It allowed for the various techniques to be developed which were used in agriculture for better crop production.

Answer No 3)

Domestication can be described as a process for breeding certian plants and animals at home. Domestication allowed the animal species to be taken more care of and those species with better traits were interbred to produce offsprings with better traits. This allowed to increase the genetic diversity of the domesticated animals.

Answer No 4)

Selective breeding can be described as a process in which organisms of species having better characteristics are inter bred so that offsprings with better characteristics can be produced. This technique is very useful in domestication and agriculture.

Answer No 5)

Sedentism is a term which is used for describing the practise of living in one place for a long period of time. Before the process of domestication and agriculture, people moved from one place to another continuously. But certain factors caused sedentism which were:

1) domestication: Domestication made people to not move from one area to another as they had to take care of their plants and animals.

2) Agriculture: Domestication allowed agriculture to take place. People did not move because they had to take care of their crops.

3) Property: As the processes of domestication and agriculture increased, people started making properties like houses and it became more problematic for them to leave their homes after this process. Hence, the settled down.

Answer No 6)

By the processes of hunting and gathering, the early farmers came to know about the variety of plants and animals. They came to know that which plants would beneficial to grow and which animals were harmless for domestication. Their knowledge about plants such as herbal plants, food plants were later beneficial to early farmers.

Answer No 7)

Agriculture innovations can be considered as biotechnology because the phenomenon of selective breeding was applied to produce plants with better characteristics. Agricultural biotechnology also tends to produce plants with better qualities by manipulating their genome. Hence, agricultural innovations such as selective breeding can be considered to be a part of biotechnology or ancient biotechnology.

Answer No 8)

Sedentism was beneficial in a way that it allowed humans to settle in a place but their were certain drawbacks. Some of them are:

1) the area where the farmers settled could produce only certain types of crops.

2) If a disaster situation occurred, such as a pesticide then it wood infect all the crops and hence all crops would be destroyed.

Biotechnology enable to produce crops which are disease resistant or pest resistant. It also enable to produce crops in better varieties of quality and quantity.

Answer No 9)

Bakewell was an agriculturist who introduced the techniques of selective breeding and to improve the qualities of domesticated animals. Selective breeding can be considered as ancient biotechnology. In future, biotechnology was implied to produce plants and animals with better characteristics just like selective breeding.

Answer No 10)

Agriculture led to technological and biotechnological innovations so that the increasing demand for food resources can be met. As novel technologies, such as biotechnology, produce better varieties of crops hence their discovery led to the enhancement of agricultural field.

5 0
3 years ago
A scientist crosses a rabbit with short fur and a rabbit with long fur. which of these outcomes would show that the trait for fu
maks197457 [2]

Answer:

d. all of the offspring have medium length fur.

Explanation:

Incomplete dominance is a phenomenon in which offspring produce a trait that is intermediate between the two forms of a certain trait.

For example: In four o clock plant, some plants produce red flowers while some plants produce white flowers. When plants with red flowers are crossed with plants with white flowers, all the offspring have pink flowers.

Why is that so?

This is because no allele is completely dominant over the other and therefore both contribute their individual effect by producing intermediate phenotype.

Example in question:

Cross between a rabbit with short fur (SS) and a rabbit with long fur (LL)

P1:                                SS        x        LL

Gametes:                     S     and  L

Offspring                        SL :SL

SL: Medium length fur

Therefore this is a case of incomplete dominance.

Hope it help!

7 0
3 years ago
What are constants or controlling variables in an experiment? What would be some constants from the experiment mentioned above?
lawyer [7]

Essentially, a control variable is what is kept the same throughout the experiment, and it is not of primary concern in the experimental outcome. Any change in a control variable in an experiment would invalidate the correlation of dependent variables (DV) to the independent variable (IV), thus skewing the results.

3 0
3 years ago
Which method of genetic recombination is illustrated in the diagram?
Katyanochek1 [597]
CROSSING OVER
////////////////////////////////
8 0
3 years ago
Read 2 more answers
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