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Multifactorial inheritance describes the situation were more than one gene affects a single trait. Environmental factors can also contribute to the single trait.

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11y ago

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Can a single gene control a sigle trait?

Its possible. A single gene defines a single protein.


A unit that determines that trait?

A genetic locus is the specific location on a chromosome where a particular gene is located. It serves as a unit that determines the expression of a specific trait due to the presence or absence of alleles at that locus.


What is a poly allelic trait?

A polyallelic trait is a trait controlled by multiple alleles (variants of a gene) at a single gene locus. This means there are more than two possible alleles that can influence the trait's expression, resulting in a range of phenotypic variations. This can lead to a complex inheritance pattern.


What is a gene for a single trait called?

an Allele.


The outward appearance of a trait is?

The outward appearance of a trait is called a phenotype.the alternative form of a gene is called an "allele." Alleles occur at the same locus on homologous chromosones, thus govern the same trait. This term is sometimes used sysnonymously with "gene."


What is the difference in between a trait and an allele?

A trait is generally expressed phenotypically. An allele is one of a pair alleles at the same locus...often referred to as a gene. An allele is present whether expressed or not. A single gene locus will have two alleles in an individual, but there may be more than 2 alleles for this locus in the population. General human blood groups are an example of this with A,B, O as the primary alleles and several other less common ones...(like M) present in the population.


What is an example of a human trait caused by a single gene with multiple alleles?

An example of a human trait caused by a single gene with multiple alleles is the ABO blood group system. This system is determined by the presence of different alleles at the ABO gene locus, specifically A, B, and O alleles. The combinations of these alleles result in four possible blood types: A, B, AB, and O, illustrating how multiple alleles can influence a single trait.


There or more forms of a gene that code for a single trait are called?

phenotype


Where genes for a certain trait are located?

Genes for a certain trait are located on specific regions of chromosomes. Each gene occupies a particular locus on a chromosome, and variations in these genes can result in different expressions of the trait. The specific location of a gene on a chromosome is referred to as its genetic map position.


Each gamete gets one gene from each trait?

In meiosis, each gamete receives one allele for each gene, ensuring genetic diversity and random assortment of traits in offspring. This process helps create unique combinations of genes in gametes, leading to variability in traits among individuals.


A single gene trait that has two alleles and that shows a simple dominant recessive pattern will result in?

A 3:1 phenotypic ratio (Mendelian inheritance).


Can multiple genes control a single trait?

yes its called pleiotropy