Question

which best describes mitochondrial dna (mtdna)? mitochondrial dna is the same as nuclear dna. mitochondrial dna is inherited through the father. mitochondrial dna can be traced for generations. mitochondrial dna requires large amounts for testing.

Explanation:

Mitochondrial DNA (mtDNA) is maternally - inherited and can be traced through generations as it has a relatively stable inheritance pattern. It is different from nuclear DNA in structure and inheritance. It is not inherited through the father and small amounts can be used for testing.

Answer:

Mitochondrial DNA can be traced for generations.