If an individual carries only two alleles, is it possible for a single gene to have more than two alleles? no. if a gene had more than two alleles, it would be too variable to be identified as one gene. yes, but it results in diseases such as trisomy 21. yes, but the alleles that the individual carries then would no longer be inherited as one from the mother and one from the father. the law of segregation does not apply to genes with multiple alleles. no. if a gene had more than two alleles, it would not be dominant or recessive. yes. more than two possible alleles for a single gene type is called multiple allelism. the alleles for the abo blood types are an example.

Question

Biology

Julio Valenzuela

19 April, 04:37

If an individual carries only two alleles, is it possible for a single gene to have more than two alleles? no. if a gene had more than two alleles, it would be too variable to be identified as one gene. yes, but it results in diseases such as trisomy 21. yes, but the alleles that the individual carries then would no longer be inherited as one from the mother and one from the father. the law of segregation does not apply to genes with multiple alleles. no. if a gene had more than two alleles, it would not be dominant or recessive. yes. more than two possible alleles for a single gene type is called multiple allelism. the alleles for the abo blood types are an example.

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The correct answer is Yes. more than two possible alleles for a single gene type is called multiple allelism. the alleles for the abo blood types are an example.

It is possible to exist more than two alleles for a single gene within the population, but individuals have only two of those alleles (each from one parent).