Could the affected trait followed in the pedigree below be caused by an autosomal dominant disease w?
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What is the most likely mode of inheritance?
There is no definitive answer to this question as it depends on a variety of factors, including the specific genes involved and the way they are inherited. However, some of the most common modes of inheritance include autosomal dominant, autosomal recessive, and X-linked inheritance.
How can you identify an autosomal dominant disease from a pedigree?
There is no one definitive answer to this question, as the answer will depend on the specific genetic disorder in question and the pedigree information available. However, some general tips that may be useful include looking for Mendelian disorders that are inherited in an autosomal dominant manner (meaning that one copy of the defective gene is sufficient to cause the disease phenotype), checking for patterns of inheritance (for example, if the disease appears to be passed down in families with a high rate of consanguinity, or if the disease is more common in certain family members), and reviewing the patient's medical history for evidence of other health problems that may be associated with the disorder.
Can pedigree be autosomal dominant?
Pedigree can be autosomal dominant if a gene is responsible for a trait. The trait will be passed down through the family in an autosomal dominant manner. There is a 50% chance that a child will inherit the trait from each parent, with the trait being expressed if the child inherits the dominant gene.
What are autosomal recessive traits?
autosomal recessive traits are genetic disorders that are passed down through the family in an autosomal recessive manner. These disorders are caused by a mutation in one of the autosomes, and they often result in serious health problems. Parents who have an autosomal recessive disorder are often unable to pass the mutation on to their children, meaning that the disorder will not be inherited.
Can a pedigree be autosomal dominant and recessive?
A pedigree can be autosomal dominant and recessive, depending on the gene involved. In autosomal recessive disorders, an individual must have two copies of the mutant gene to be affected; one from each parent. If an individual has one copy of the gene, they are not affected and do not need to worry about the disorder. Autosomal dominant disorders, however, are passed down in an autosomal pattern, which means that only one copy of the gene is needed for the disorder to occur.