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What is the condition called when there are many genes that affect a trait which are susceptible to changes due to environmental factors?
Multifactorial trait
Is cleft lip a chromosomal error or a multifactorial trait?
Cleft lip is considered a multifactorial trait, meaning it is caused by a combination of genetic and environmental factors rather than a chromosomal error. It can be influenced by both genetic predispositions and exposure to certain environmental factors during pregnancy.
Is huntington's disease chromosomal error or a multifactorial trait?
Huntington's disease is primarily caused by a genetic mutation, specifically an expansion of CAG repeats in the HTT gene located on chromosome 4. This mutation leads to the production of a toxic protein that causes neurodegeneration. While there are some environmental factors that may influence the onset and progression of the disease, it is not considered a multifactorial trait in the same way that conditions like heart disease or diabetes are. Thus, Huntington's disease is fundamentally a chromosomal error rather than a multifactorial condition.
What is the condition called when there are many genes that affect a trait which are susceptible to changes due to the environmental factors?
This condition is known as polygenic inheritance. It involves multiple genes contributing to a trait, and the expression of these genes can be influenced by environmental factors. The combination of genetic and environmental influences leads to a wide range of variation in the trait.
What is a multifactoral trait?
A multifactorial trait is a characteristic that is influenced by multiple genetic and environmental factors rather than a single gene. Examples include traits such as height, skin color, and susceptibility to diseases like diabetes. These traits typically show a range of variations within a population due to the interplay of various genes and environmental influences. Understanding multifactorial traits is important in fields like genetics, medicine, and psychology, as they can help explain complex behaviors and health outcomes.
What is multifactorial polygenic threshold theory?
Multifactorial polygenic threshold theory proposes that complex traits are influenced by both genetic and environmental factors. It suggests that multiple genes contribute to the expression of a trait, and a certain threshold of genetic and environmental factors must be reached to manifest the phenotype. This theory is often used to explain the inheritance of complex traits such as height, intelligence, and susceptibility to diseases.
What is multifactorial transmission?
This occurs when environmental factors interact with genetic factors to produce traits. The term multifactorial means many factors. Traits that involve multiple genes and complicated patterns of inheritance are said to be exhibiting multifactorial transmission.
When a single trait is affected by more than one gene locus this called?
This is called polygenic inheritance. Multiple genes contribute to the expression of a single trait in polygenic inheritance, resulting in a continuum of phenotypic variation. Traits like height, skin color, and intelligence are influenced by multiple gene loci.
Is familial hypercholesterolemia a multifactorial defect?
homosexual
What is health as a multifactorial phenomenon?
Health as a multifactorial phenomenon involves several factors. These factors include economic, socio-cultural, and environment. It also includes political factors which involve political will and empowerment.
Is far sightedness a recessive trait?
Farsightedness, or hyperopia, is not strictly classified as a recessive trait; rather, it is a complex condition influenced by multiple genetic and environmental factors. While certain genetic variations may contribute to a predisposition for hyperopia, the inheritance patterns can be multifactorial, meaning that both dominant and recessive alleles, along with non-genetic factors, can play a role. Therefore, it cannot be categorized simply as recessive.
What cause Goldenhar Syndrome?
causes are Multifactorial but there may be due to gentic component
