At what stage of mitosis does the amount of genetic material in each chromosome become half of what it just was?

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

Why should organisms reproduce more offspring than will survive? select all that apply.

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine