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How can a family pedigree be helpful in determining the the probability of having a child with a genetic disorder?
By showing the history of genetics in the family
What does a genetic counselor construct to show the inheritance pattern of a genetic disorder within a family?
Its a pedigree. A pedigree shows the inheritance of a genetic disorder within a family and can help to determine the inheritance pattern and whether any particular individual has an allele for that disorder.
How is a pedigree?
A pedigree is used to determine whether you are at risk of inheriting a particular genetic disorder.
What are some common pedigree and probability problems encountered in genetic studies?
Common pedigree and probability problems encountered in genetic studies include determining the likelihood of inheriting a specific trait or disease based on family history, calculating the probability of passing on a genetic mutation to offspring, and analyzing the inheritance patterns of complex traits influenced by multiple genes. These problems often involve using Punnett squares, pedigrees, and probability calculations to understand genetic inheritance patterns.
What does genetic counselor construct to show the inheritance pattern of a genetic disorder within the family?
A Pedigree
In humans the risk of passing on a genetic disorder to offspring can be assessed by?
You could make a pedigree which could identify carriers of a genetic disorder and individuals with the disorder. You could do blood tests to determine whether a person carries a gene for a particular genetic disorder. You could make a karyotype to determine whether there are any chromosomal abnormalities.
What is the probability of a genetic disorder in offspring?
The answer depends on the genes of the parents and further ancestors.
A genetic pedigree showing that only males are affected by a certain disorder is evidence of what type of inheritance?
Sex-linked.
What is the probability a woman heterozygous for an x-linked trait will have a son with a genetic disorder if the genetic disorder is recessive?
The probability would be 0.5 or 50%. A heterozygous woman will pass on the X chromosome with the recessive allele to 50% of her sons, and since the disorder is recessive, the son would only have the disorder if the X chromosome with the recessive allele is inherited from the mother.
How can a pedigree be 100 percent accurate about what the genotypes of an offspring will be?
It cannot (unless the parents were homozygous), but it can help predict the odds of having a child with a genetic disorder.
What has the author E A Thompson written?
E. A. Thompson has written: 'Pedigree analysis in human genetics' -- subject(s): Genetic Models, Human genetics, Human population genetics, Medical genetics, Pedigree, Probability, Statistical methods
What are some common problems that can arise when practicing with a pedigree in genetic analysis?
Some common problems that can arise when practicing with a pedigree in genetic analysis include incomplete or inaccurate family history information, difficulty in determining the mode of inheritance, small sample sizes leading to unreliable conclusions, and the presence of genetic heterogeneity complicating the analysis.
