What statement about the inheritance of mitochondrial DNA is true? 1.The egg and sperm cells contribute equal amounts of mitochondrial DNA to the zygote.
2.The egg cell donates most of the material in the cytoplasm to the zygote, including mitochondrial DNA.
3.The sperm cell donates most of the DNA in the nucleus to the zygote, including mitochondrial DNA.
4.The sperm cell donates most of the material in the cytoplasm to the zygote, including mitochondrial DNA.