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A gene is said to have multiple alleles if it has more than how many alleles?
A gene is said to have multiple alleles if it has more than two different forms or variants (alleles). This means there are more than two variations of the gene present in a population.
How many alleles a regular cell has?
A regular somatic cell in a diploid organism typically has two alleles for each gene, one inherited from each parent. Therefore, if a gene has multiple variants (alleles), a cell can possess two of those variants. In contrast, haploid cells, like gametes, contain only one allele for each gene. Thus, the total number of alleles in a regular diploid cell is generally two per gene.
What do you call one gene from a pair?
One gene from a pair is called an "allele." Alleles are variants of a gene that can result in different traits or characteristics. Each individual inherits two alleles for each gene, one from each parent, and these can be either the same (homozygous) or different (heterozygous).
What are two different alleleles for a trait called?
Different alleles for a trait are known as gene variants. For example, two different alleles for the gene that determines flower color in pea plants are purple (P) and white (p). When an individual has two different alleles for a trait, it is known as heterozygous.
What is polymerism gene effect?
Polymorphism gene effect occurs when two or more clearly different phenotypes exist in the same population of a species. In order for this to occur, morphs must occupy the same habitat at the same time and belong to a population with random mating.
What term define alleles that are alike?
An allele can have two or more variants of a gene that have the same position on the homologous chromosome. The alleles are responsible for alternative characteristics. Two copies of the same allele are called homozygous.
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.
Why can there only be only two forms of a gene in any cell?
Basically, because there are two sexes. One gene allele is on one chromosome from dad and the other allele is on the chromosome from mom. If more than two alleles for a trait, only two can be represented in the genome of the organism.
What are heterozygous parents?
Heterozygous parents have two different alleles for a specific gene, one inherited from each parent. For example, if a gene has two variants, such as A and a, a heterozygous individual would have the genotype Aa. This genetic diversity can influence the traits of their offspring, leading to a variety of possible phenotypes. Heterozygosity is important for genetic variation and can contribute to the adaptability of a population.
What is replecation?
it is a copy of a gene ... it can form a disorder :)the copy of the gene equals to two genes the original and the different one it also can be any disorder
What is homozygous-?
Every gene has a dominant and recessive allele, homozygous is just when a gene has either two dominant alleles or two recessive alleles.
How is phenylketonuria inherited?
Phenylketonuria (PKU) is inherited when both parents are carriers of the gene. Since it is a recessive gene, there is a 25% chance that any baby conceived by two people carrying the PKU gene will have PKU.
