Question

Define mutation and crossing over​

Answer 1

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• A mutation is an alteration in the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA. Viral genomes contain either DNA or RNA.

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• The exchange of genes between homologous chromosomes, resulting in a mixture of parental characteristics in offspring.

Answer 2

A mutation is an alteration in the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA. Viral genomes contain either DNA or RNA.

The exchange of genes between homologous chromosomes, resulting in a mixture of parental characteristics in offspring.