What is true about an offspring produced by selective breeding?
Selective breeding involves choosing parents with particular characteristics to breed together and produce offspring with more desirable characteristics. Humans have selectively bred plants and animals for thousands of years including: crop plants with better yields. What is true about bloodborne pathogens? bloodborne pathogens quiz answers.
Which is a result of selective breeding?
Artificial selection/selective breeding has resulted in an increase in the efficiency of the animals and plants we breed, such as increasing milk yield from cows by continuously breeding selected cows with one another to produce a hybrid.
What does selective breeding produce quizlet?
Selective Breeding. A method of breeding that allows only those individual organisms with desired characteristics to produce the next generation. Hybridization. A breeding technique that involves crossing dissimilar individuals to bring together the best characteristics of both organisms.
Which is an example of selective breeding?
Different varieties of plants and animals with desired characteristics can be developed by selective breeding. For example: cows that produce lots of milk. wheat plants that produce lots of grain.
How does selective breeding work?
How does selective breeding work? Farmers select parents with desirable characteristics and breed them together. From their offspring, they again choose those with the best combination of traits and the process continues over many generations .
Why selective breeding is important?
Since the time man first domesticated animals, selective breeding has been used to develop better or more useful strains (or breeds) of the animals from the genetic diversity that naturally exists in the population of a single species. …
What are the positives of selective breeding?
- It requires no company patent. …
- It allows for higher profit. …
- It can create new varieties of good crops. …
- It does not have any issue of safety. …
- It helps eliminate diseases. …
- It influences the production of food coming from plants in a positive way.
What type of breeding involves choosing specific parents to desirable characteristics in the offspring?
Selective breeding involves choosing parents with particular characteristics to breed together and produce offspring with more desirable characteristics. Humans have selectively bred plants and animals for thousands of years including: crop plants with better yields.
What are some examples of selective breeding quizlet?
Examples include domestic oat, peanut, sugar cane, banana, and cotton.) Allowing only those animals with wanted characteristics to produce the next generation. One of the methods of selective breeding that involves crossing dissimilar individuals to bring together the best of both organisms.
What organisms have been produced by selective breeding?
The meats sold today are the result of the selective breeding of chickens, cattle, sheep, and pigs. Many fruits and vegetables have been improved or even created through artificial selection. For example, broccoli, cauliflower, and cabbage were all derived from the wild mustard plant through selective breeding.
How does selective breeding related to evolution?
Selective breeding leads to future generations of selectively bred plants and animals, all sharing very similar alleles which will reduce variation. … Inbreeding can lead to a reduced range of alleles in the gene pool, making it more difficult to produce new varieties in the future.
How selective breeding provides evidence of evolution?
Selective breeding of domesticated animals shows that artificial selection can cause evolution. Evolution of homologous structures by adaptive radiation explains similarities in structure when there are differences in function. Populations of a species can gradually diverge into separate species by evolution.
How does selective breeding reduce genetic variation?
Because of selective breeding , future generations of selectively bred plants and animals will all share very similar genes which will reduce variation. … Inbreeding can lead to a reduced gene pool, making it more difficult to produce new varieties in the future.
How is selective breeding a form of biotechnology?
How is selective breeding a form of biotechnology? Biotechnology means to use technology, invention, or method on an organism, which is what selective breeding is. It uses technology and methods to alter genes of organisms for human benefit.
What are the four things that are necessary for selective breeding to occur successfully?
Explain the four things that are necessary for selective breeding to occur successfully. There are four things that are required: variation, inheritance, selection, and time. Variations are differences that exist among individuals.
How heritability can affect a selective breeding program?
The general conclusion, then, is that the greater the superiority of the individuals selected for breeding purposes and the higher the heritability of the trait, the more progress will be made in selection.
What is selective breeding and when do you prefer it?
Explanation: Breeders select two parents that have beneficial Phenotypic traits to reproduce, Yielding offspring with those desired traits. Selective breeding can be used to produce tastier foods and vegetables , crops with greater resistance to pests , and larger animals that can be used for meat.
How is selective breeding related to physical and behavioral traits?
Long-term selective breeding for high voluntary physical activity in animals may alter behavioral traits from certain behavioral domains that could be adaptive for sustaining a high activity level.
What are the pros and cons to selective breeding?
With selective breeding, you can produce animals and plants that have better resistance to diseases and pests. Crops can be bred selectively, thus improving the yield, and harvest comes in a short time. Animals are selectively bred to take the least time for full development and enter the human food chain.
What are pros and cons of selective breeding of organisms?
- It is free. …
- It requires no company patent. …
- It provides higher yields. …
- It leads to higher profits. …
- It does not pose any safety issues. …
- It helps eliminate diseases. …
- It ensures quality produce. …
- It can provide a sustainable food chain.
What is the pros and cons of genetic engineering?
Genetic Engineering ProsGenetic Engineering ConsCan be used to increase crop yieldsEthical concernsGenetic engineering can reduce global hungerReligious concernsMay increase the variety of foodsSafety of genetic engineering has not been proven yet
What is selective breeding Ncert?
Solution: (b) Selective breeding is the process of crossing of two selected varieties having different traits to produce a hybrid having good traits of both, e.g., some breeds of sheep possess only soft under-hair.
What are two types of selective breeding and how do they compare?
What are two types of selective breeding and how do they compare? Inbreeding & Hybridization. Inbreeding is crossing two individuals that have similar characteristics so that their offspring will have the same qualities. Hybridization is crossing two individuals with different qualities.
Why is artificial selection or selective breeding considered a form of genetic engineering?
Artificial selection selects for traits already present in a species, whereas genetic engineering creates new traits. In artificial selection, scientists breed only individuals that have desirable traits. … Through selective breeding, scientists are able to change the traits in the population.
How do breeders produce genetic variations that are not found in nature?
How do breeders produce new genetic variations not found in nature? By inducing mutations with chemicals or radiation. … Explain why genetic engineering can be compared to reprogramming a computer game. Both have codes that can be isolated and altered to change the characteristics of the game or the organism.
What are the two common methods of selective breeding?
- Outcrossing- Mating two animals that are unrelated for at least 4 to 6. generations back is called an outcross. …
- Linebreeding– Linebreeding involves mating related animals like half-brother/half-sister, cousins, aunt/nephew, …
- Inbreeding- This breeding method involved mating directly related.
Which term also describes selective breeding quizlet?
Only $35.99/year. Which term also describes selective breeding? natural selection.
What do you mean by selective breeding Class 7?
Explanation: Selective breeding is the process of crossing of two selected varieties having different traits to produce a hybrid having good traits of both, e.g., some breeds of sheep possess only soft under-hair.
Is overproduction of offspring Evidence for Evolution?
As more offspring are produced, there will be less resources available to other members of the population. If there is an over production of offspring this will result in a struggle for survival within the species as the resources become scarce and individuals in the population will start to compete for these.
What are the similarities between selective breeding and genetic engineering?
Similarities Between Selective Breeding and Genetic Engineering. Selective breeding and genetic engineering are two methods used to produce new organisms with desired characters. Both are artificial methods that occur under the influence of humans.
How the cat has been produced using selective breeding?
An example of selective breeding in the world today. American scientists bred the first hypoallergenic cat, named ‘Joshua’, by selectively breeding cats with a low amount of the saliva protein Fel d1, responsible for allergic reactions. The resulting cats have a near elimination of the protein.
Is selective breeding genetic modification?
Selective breeding is a form of genetic modification which doesn’t involve the addition of any foreign genetic material (DNA) into the organism. Rather, it is the conscious selection for desirable traits.
How did studying selective breeding help Darwin develop his theory of evolution?
How did studying selective breeding help Darwin develop his theory of evolution? Darwin observed that animals with a desired characteristic could be produced by allowing only those individuals with the characteristics to mate. Darwin thought that a process similar to “selective breeding” may occur in nature.
How does selective breeding affect the ecosystem?
Selective breeding can result in better quality products and higher yields in plants and animals that have been bred for specific characteristics. … Disadvantages include a reduction in genetic diversity and discomfort for animals that have very exaggerated characteristics.
What is a problem with selective breeding?
Risks of selective breeding: reduced genetic variation can lead to attack by specific insects or disease, which could be extremely destructive. rare disease genes can be unknowingly selected as part of a positive trait, leading to problems with specific organisms, eg a high percentage of Dalmatian dogs are deaf.
Does selective breeding change allele frequencies?
We show that selective breeding increases allele frequencies of many trait-associated genes, and that alleles that increase most display strong genetic linkage and potential trade-offs among traits.
What is the process of selective breeding?
Selective breeding (also called artificial selection) is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits (characteristics) by choosing which typically animal or plant males and females will sexually reproduce and have offspring together.
How is selective breeding similar to natural selection?
Natural selection and selective breeding can both cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. For this reason selective breeding is sometimes called artificial selection.
ncG1vNJzZmivmKSutcPHnqmer5iue6S7zGiuoZmkYra0edOrrJ5lkZe8tsCMmqVmp5abwLG%2ByKeeZqiipLG2r8SdZJuxXaiyrbHCraCvnV2Xv6axw6KloGc%3D