Alleles for Genes Located on Mitochondrial DNA Are Said to Be

question 132

Multiple Choice

Alleles for genes located on mitochondrial DNA are said to be maternally inherited. What is the reason for this pattern of inheritance?

• A) The egg and sperm contribute equal numbers of cytoplasmic organelles to the zygote.
• B) The egg contributes virtually all of the cytoplasmic organelles to the zygote.
• C) Half of the nuclear chromosomes in the zygote come from the father.
• D) Half of the nuclear chromosomes in the zygote come from the mother.
• E) All of the nuclear chromosomes in the zygote come from the mother.

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