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Advantages and disadvantages of cross breeding?
cross-breeding it may result in getting more and giving the combination of different breeds.
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Advantages: 1. Hybrid vigour is maitained, 2. Chances of aquiring broad genetic base are always there. 3. Process of evolution continues. Dis-advantages: 1. Seed formation alw…ays depend on availability of pollinator 2. Lots of variability leades to heterozygocity and inconsistancy in phenotypes. 3. Mixing of inferior genes takes place if pollinators are not controlled.
Cross breeding is making 2 different types or species of animal or animals to create mixed 'new' species. For dogs, mixing 2 pure breeds and making a mixed type of breed
Cross breeding is simply taking two breeds of animals and mating them together (Such as a Charolais crossed with a Hereford). Where selective breeding is selecting the what …two animals you want bred together to produce a better animal.
disadvantage: selective breeding gets rid of variety advantage: selective breeding rules out weakness and disability disadvantage: isn't that what Hitler tried to do with …humans in WWII? do we really want to be like him? Selective breeding(or artificial selection) produces traits which may be advantagious to us, but be a disadvantage to the animal.Here are some examples-The lapps of northern Europe herd and breed the wild deer, selecting docile animals. The resulting herds could not survive in the wild.Cows with big udders are good for us , but are probably painful for the cow. English bulldogs mght be considered a cool looking dog, but have breathing difficulties and such small pelvises that they often have to give birth by causation. Advantages: Can produce fitter, stronger animals or animals of a higher yield of milk, meat or eggs for example. Can produce animals better suited to survive in poor climates or marginal conditions, thus preserving human food supplies and saving life. Can ensure the eradication of hereditary sickness in some blood lines. Disadvantages: For show animals such wild kitten eatingas some dogs, it is practised quite strictly by breeders aiming at a certain look which is set down as the breed "standard"- many Dalmation puppies are euthanased because they do not exhibit the breed standards for example, so there are serious moral questions to it too.Too much close interbreeding to obtain certain cosmetic traits can also result in the amplifying of inherent illnesses - like the bulldogs mentioned above, or German shephered dogs with hip problems and so on - in fact, these issues are rapidly worsening in recent years with dogs in particular. keep in mind it will eat your babies if you anger them.
1 answer is the animals that are in captive breeding cannot be harmed by forest fires, flooding or other species of animals Answer 2: animals are protected in an in - built… habitat and are protected from hunting and poaching so is their habitat. the disadvantage is that sometimes people don't take god care of the animals. so it does more harm than good. another disadvantage is that there is no control over the long term issues i hope this helps
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Advantages include a large pool of resources. Disadvantages occur when the editor doesn't allow for outside opinions.
What is the possible advantage and disadvantage of the breathing tract crosses the alimentary canal in the throat?
The advantage is that it can get to your lungs more efficiently. The disadvantage is that you can have troubles if one is not working right.
The most important advantage of cross sectional studies is that in general they are quick and cheap. As there is no follow up, less resources are required to run the st…udy. Cross sectional studies are the best way to determine prevalence and are useful at identifying associations that can then be more rigorously studied using a cohort study or randomised controlled study. The most important problem with this type of study is differentiating cause and effect from simple association. For example, a study finding an association between low CD4 counts and HIV infection does not demonstrate whether HIV infection lowers CD4 levels or low CD4 levels predispose to HIV infection. Moreover, male homosexuality is associated with both but causes neither. (Another example of a confounding variable). Often there are a number of plausible explanations. For example, if a study shows a negative relation between height and age it could be concluded that people lose height as they get older,younger generations are getting taller, or that tall people have a reduced life expectancy when compared with short people. Cross sectional studies do not provide an explanation for theirfindings. Rare conditions cannot efficiently be studied using cross sectional studies because even in large samples there may be no one with the disease. In this situation it is better to study a crosssectional sample of patients who already have the disease (a case series). In this way it was found in 1983 that of 1000 patients with AIDS, 727 were homosexual or bisexual men and 236 were intrvenous drug abusers.6 The conclusion that individuals in these two groups had a higher relative risk was inescapable. The natural history of HIV infection was then studied usingcohort studies and efficacy of treatments via case controlled studies and randomised clinical trials.
an animal with purebred parents of two different breeds.
It is a long process and can take years. You need to have a plan detailing those traits you wish to attain or remove from you breeding stock. Begin with the best birds that yo…u can get. It's easier to start with quality chickens than to breed unwanted traits out of a poor quality grandparent flock of birds. Keep accurate records to control mating. Identify and mark the best of the birds with the qualities desired. Never keep chickens with unwanted traits, cull or separate those without those desired traits.
well some times they come out with deformities not bad ones but there are some risks the advantages is that they come out looking better than ever
advantages: we get more breeds and more animals/plants easier people can make more more Disadvantages the animals/plants can have genetic diseases It is har…d to get rid of the genetic diseases because you have to breed them out
The advantage is that it give a more all-round workout, both strength, endurance and some flexibility. Disadvantage is that there are more exercises you need to be able to do,… and spending time at all sorts of exercises also means that you're spending less time on the exercise that you think is most important.
The difference between and advantage and a disadvantage can be very significant. An advantage means you have the upper hand in a situation usually only one person can have a p…articular advantage. A disadvantage can be an obstacle that more than one person can have at the same time.
The main advantage of self-pollination is that a plant does not need to have others of its species around to be able to reproduce, but the disadvantage is that genetic div…ersity is lost. The main advantage of cross-pollination is an increase in genetic diversity, but the disadvantage is that there must be at least two plants of the right type that are close enough together to pollinate.
The advantage of cross sectional studies is that they are simple, quick, and very affordable to conduct. As a disadvantage, the results of cross sectional studies may be d…ifficult to assess where different participants are used at different levels of an investigation.