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Can a single gene control a sigle trait?
Its possible. A single gene defines a single protein.
Is blood type a polygenic trait?
Blood type is not a polygenic trait. It is determined by multiple alleles of a single gene called the ABO gene located on chromosome 9. This gene has three common alleles (IA, IB, and i) that determine the ABO blood groups (A, B, AB, and O).
What example describes an inherited trait that cannot be determined by observing an individual?
A genetic trait that is inherited but not visually expressed, such as a recessive gene for a disease or a carrier status, cannot be determined by observing an individual without genetic testing. For example, an individual who carries a recessive gene for a genetic disorder may not show any symptoms themselves, but can pass on the gene to their offspring.
What does an allele code for?
An allele is a specific form of a gene that codes for a particular trait or characteristic. Alleles can result in different variations of the trait, such as eye color or blood type, depending on which allele is inherited from each parent.
What type of trait is only seen if its gene is present in both gametes that unite to start the life of a new organism?
Recessive trait. This type of trait is only expressed when the individual has two copies of the gene for that trait, one from each parent. If only one copy is present, the dominant trait will be expressed.
What is arecessive trait?
A recessive trait is a genetic trait that is only expressed when an individual carries two copies of the gene responsible for that trait. It is masked by the presence of a dominant trait when an individual carries one copy of each type of gene.
What contain instructions for traits?
Trait instructions are defined within trait implementations in Rust, using the impl keyword to specify the behavior for each trait method. These implementations provide the actual code that defines how a type adheres to the requirements of a trait. By implementing the methods defined in a trait, a type can leverage the functionality provided by that trait.
What is id polygenic inheritance?
Polygenic inheritance is when a trait is influenced by the combined effects of multiple genes, rather than being determined by a single gene. Each gene may have a small additive effect on the phenotype, resulting in a continuous range of phenotypic variations. This type of inheritance is often seen in traits like height, skin color, and intelligence.
What is a genetic trait?
A trait is an observable, physical characteristic of an organism (a phenotype). A FACTOR is the underlying genetic cause of the TRAIT (the genotype).
What three or more forms of a gene that code for a single trait called?
A gene can have multiple forms, which are called Alleles. While a single gene may code for a trait in an organism, when multiple alleles exist for that gene, each different may produce a different character of that trait. For example, a person has two copies of the gene that codes for ABO blood type. There are three different alleles for this gene, A, B and O. This results in six different combinations of the alleles that the person can have (the genotype), which in turn results in four expressions of the gene in the person (called the phenotype), which is the blood type of the person.
How many genes for a trait?
A trait is any gene-determined characteristic and is usually determined by more than one gene, therefore the exact amount depends on the specific gene. However, the number of genes in the genome varies from species to species. More complex organisms tend to have more genes. Estimates of the number of human genes, by contrast, range from 25,000 to 30,000.
What is the name given to a specific region of DNA that codes for a particular heredity trait?
A gene is the name given to a specific region of DNA that codes for a particular hereditary trait. Genes contain the instructions for making proteins that determine traits such as eye color or blood type.
