In Diploid Organisms,having Two Homologues of Each Chromosome Can Be

question 105

Multiple Choice

In diploid organisms,having two homologues of each chromosome can be beneficial if one allele of a gene encodes a nonfunctional protein.Can haploid organisms avoid the negative effects of nonfunctional alleles?

• A) No,because there is only one allele for the gene in each cell,and the nonfunctional allele has no other allele to mask it.
• B) No,because there are two chromosomes each with a single allele that is always the same,and one cannot compensate for the other being nonfunctional.
• C) Yes,because there is only one allele for the gene in each cell,and the nonfunctional allele will be masked by another allele of a different kind.
• D) Yes,because there are two chromosomes each with a single allele that is always the same,and one can compensate for the other being nonfunctional.
• E) Yes,because there are always other alleles for other genes that will compensate for a nonfunctional allele.

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