Animalscaretips
- What is the significance of a pedigree record?
- Why do you think that an animal's lifetime records are extremely valuable in breeding programs?
- How important is the application of genetics in the animal breeding in animal production?
- What is pedigree selection in animal?
- How are pedigrees beneficial?
- Why are pedigrees valuable to genetic counselors?
- What are the importance of keeping farm animals?
- Why is record keeping important especially to sows?
- What are the advantages and disadvantages of genetic engineering?
- Why is genetics important in livestock production?
- Why is the value of pedigree important in animal breeding?
- What is pedigree method of breeding?
- What is pedigree construction?
- What are the disadvantages of pedigrees?
- What are the problems with using pedigree studies?
- Why is non Mendelian inheritance important?
What is the significance of a pedigree record?
A complete pedigree provides information about the biological relationships of individuals in the family, their medical history, the pattern of inheritance of a genetic disorder in the family, variable expression of the disorder, which family members are at risk, fertility of individuals (including pregnancies, ...
Why do you think that an animal's lifetime records are extremely valuable in breeding programs?
The importance of breeding records is to measure the productive efficiency of the herd and to enable selection. For example, many farmers would like a cow or a goat which gives birth yearly, or a sow 2 litters per year. Therefore, an accurate up-to-date breeding record of each individual female is necessary.
How important is the application of genetics in the animal breeding in animal production?
Genetic variation is necessary in order to make progress in breeding successive generations. Each gene, which is the basic unit of heredity, occupies a specific location, or locus, on a chromosome. Two or more genes may be associated with a specific locus and therefore with a specific trait.
What is pedigree selection in animal?
In selection. …and quality is known as pedigree selection. Progeny selection indicates choice of breeding stock on the basis of the performance or testing of their offspring or descendants. Family selection refers to mating of organisms from the same ancestral stock that are not directly related to each other.
How are pedigrees beneficial?
It shows how individuals within a family are related to each other. We can also indicate which individuals have a particular trait or genetic condition. If we take a pedigree, which we usually try to include at least three generations, we might be able to determine how a particular trait is inherited.
Why are pedigrees valuable to genetic counselors?
Genetic counselors use pedigrees like the one above to figure out how certain conditions are being passed down through a family and which family members, who may seem healthy now, could be at risk of already having that condition or developing it later.
What are the importance of keeping farm animals?
Intangible benefits of keeping livestock are:
Companionship; animals could serve as pets or companions to humans. Income generation; we have people who raise animals to sell when matured. Some can be used as draught animals in carrying out farm operations such as plowing and harrowing while they can be used for house .
Why is record keeping important especially to sows?
Within the management system of the farrowing house, detailed observations and time scales should be recorded on the sow and litter cards. Such information will help you to understand a problem if it arises. Records identify achievements that can be assessed against target levels of efficiency.
What are the advantages and disadvantages of genetic engineering?
It can lead to more birth defects. Genetic engineering may create stronger, healthier plants and animals. It may also create more plants and animals with mutations or birth defects that can harm the species.
Why is genetics important in livestock production?
The genetic variation within livestock populations also provides the raw material both for evolution through natural selection in response to changing conditions and for human-managed genetic improvement programmes. ...
Why is the value of pedigree important in animal breeding?
The additive genetic relationship between two related animals is of great importance in animal breeding. Because, for example, the additive genetic relationship between a sire and a daughter is 0.5, they share 50 per cent of their DNA. ... Therefore, the pedigree of an animal is very informative.
What is pedigree method of breeding?
Pedigree breeding is a method of genetic improvement of self-pollinated species in which superior genotypes are selected from segregating generations and proper records of the ancestry of selected plants are maintained in each generation.
What is pedigree construction?
Pedigree construction is a family history, and details about an earlier generation may be uncertain as memories fade. ... Relationships in a pedigree are shown as a series of lines. Parents are connected by a horizontal line and a vertical line leads to their offspring.
What are the disadvantages of pedigrees?
The fundamental disadvantage of pedigree designs is that genomic regions identified via linkage analysis tend to be relatively large because of the coarse nature of the meiotic process (Boehnke 1994). ... Evidence for influence of rare variants often includes evidence for co-segregation with traits in pedigrees.
What are the problems with using pedigree studies?
Issues of privacy, consent, and confidentiality surround DNA samples in genetic research,4,5 and concerns about consent for future uses of banked DNA have sparked unresolved national and international debate. Pedigree research presents equally challenging dilemmas that merit consideration.
Why is non Mendelian inheritance important?
In some situations, the proportion of phenotypes observed do not match the predicted values. This is called Non-mendelian inheritance and it plays an important role in several disease processes. ... Two alleles produce an intermediate phenotype, rather than either one exerting a specific dominance.
