The presence of three sex chromosomes in a persons cells is best explained by what cell process going wrong

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

The body is protected against harmful flu viruses by

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid