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heredity and genetics

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13y ago

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How do you describe how blood groups are examples of multiple alleles and codominance?

Because both factors are present; when we talk about blood types, we have 2 individuals with 2 different blood types and they become codominant within the reproduction; meaning, there is a set of alleles and both of them show in the phenotype.


What are genes with three or more alleles called?

this makes no scientific sense. A gene (which determines a phenotypic trait) can only contain 2 alleles. However codominace allows for multiple alleles to be chosen from, but only 2 picked for a gene. Also, if multiple genes determine a phenotypic trait that's polygenic inheritance.


For a gene that has multiple alleles more than 2 what is the maximum number of different allels a normal individual can have?

2. Even though there are multiple alleles for the same characteristic in the general population, an individual can only have two.


What are the characteristic of multiple alleles?

1) Multiple alleles are always on the same location (locus) on the alleles.2)they always effect the same character.3)They always occupy the same gene locus on chromosome.4)no crossing over is known to occur on chromosome.5)a single multiple allelic series affects only one trait _eye color etc


How many alleles for a trait are contained in the offsrping?

Depends on the gene. Can be as few as 2, or more than that. Height, hair colour etc have multiple alleles.


How inheritance by multiple alleles and polygenic inheritence are similar?

In both cases, traits are influenced by multiple genetic factors. Inheritance by multiple alleles involves the presence of more than two alleles for a particular gene, while polygenic inheritance involves the contribution of multiple genes to a single trait. Both types of inheritance result in continuous variation, with traits being influenced by the interaction of multiple genetic factors.


What is the number of alleles in a gene?

An allele of a gene resides on a chromosome; as there are typically two chromosomal copies in an individual Cell, there are typically two alleles of each and every gene in the individuals genome, or its genetic complement.


What are examples of multiples?

4 is a multiple of 2. 9 is a multiple of 3.


How inheritance by multiple alleles and polygenic inheritance are similar?

I think that , they r both controlled by more then 2 allels.


How is inheritance be multiple alleles and poly genic inheritance similar?

Multiple alleles is when there are more than 2 alleles in a single trait. In blood type, instead of either one dominant and one recessive type alleles, there is one recessive allele (type O) but two dominant alleles(type A and B). Polygenic inheritance is when more than one gene controls a single trait, such as height in which three genes are responsible.


What are the Characteristics of multiples?

1) Multiple alleles are always on the same location (locus) on the alleles.2)they always effect the same character.3)They always occupy the same gene locus on chromosome.4)no crossing over is known to occur on chromosome.5)a single multiple allelic series affects only one trait _eye color etc


What is gene pair consists of two dominant alleles or two recessive alleles?

A gene pair that consists of 2 dominant or 2 recessive alleles is considered homozygous dominant or homozygous recessive.