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A two-gene model refers to a genetic model that involves the interactions between two different genes to determine a specific trait or phenotype in an organism. This model helps researchers understand how multiple genes can work together to influence certain characteristics or diseases. Each gene in the model may have a different effect, and their combination can provide a more comprehensive understanding of genetic inheritance.
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What is the second concept of Mendel's model?
The 2nd concept describes that for each character, an organism inherits two copies of a gene - one from each parent.
What term defines a gene made up of two diffrent alleles?
A gene with two different alleles is called a heterozygous gene. This means that an individual has inherited two different versions of the gene, one from each parent.
A gene is recessive when?
Most genes have two copies of each gene with dominant gene "trumping" the recessive one. The gene is recessive because it is said not to do much of anything unless paired with another recessive gene, but if paired with a dominant gene, the dominant gene wins.
What is the gene that codes for a particular trait is known as what?
An allele is a gene for a specific trait. Cells contain two alleles for every gene, with one allele provided by each parent of an organism.
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.
Who was the operon model of the regulation of gene expression in bacteria was proposed by?
The operon model of gene regulation in bacteria was proposed by François Jacob and Jacques Monod in 1961. They introduced the concept of operons, which are clusters of genes with related functions that are regulated together. This model has since become fundamental to our understanding of gene regulation in prokaryotic organisms.
What is the second concept of Mendel's model?
The 2nd concept describes that for each character, an organism inherits two copies of a gene - one from each parent.
Two form of the same gene is called?
An indiviual letter in a punnett square representing a gene is called an allele. The two genes ( one from each parent ) together is a genotype. There isn't really two forms of a gene.
What are two forms of gene called?
The two different molecular forms of a gene are called alleles.
What is a gene pair called?
A gene has two sets of DNA.
What term defines a gene made up of two diffrent alleles?
A gene with two different alleles is called a heterozygous gene. This means that an individual has inherited two different versions of the gene, one from each parent.
What is the term for when two or more versions of a gene are present in an organism?
The term for when two or more versions of a gene are present in an organism is called "gene polymorphism."
What is a gene that can be exprested only when the organ has two of these genes?
A recessive gene.
What is a homozygus?
When two cells have the same gene type then they are considered homozygous.
What is the term used to describe an individual who carries two different alleles of a gene with respect to that gene?
The term used to describe an individual who carries two different alleles of a gene with respect to that gene is called heterozygous.
A gene that can be masked by another gene is called?
A gene that can be masked by another gene is referred to as a recessive gene. This means that the trait associated with the recessive gene is expressed only when two copies of the gene are present.
What are two forms of a gene called?
The two different molecular forms of a gene are called alleles.
