Context: Organisms inherit their genes from their parents. Asexual organisms simply inherit a complete copy of their parent's genome. Sexual organisms have two copies of each chromosome because they inherit one complete set from each parent.:1

Question: Where do organisms inherit their genes from?
Answer: from their parents

Question: How much of an asexual organism's genome is inherited from its parents?
Answer: a complete copy

Question: How many copies of each chromosome does a sexual organism have?
Answer: two copies of each chromosome

Question: How many sets of chromosomes does a sexual organism inherit from each parent?
Answer: one complete set from each parent

Question: Why do sexual organisms have two copies of each chromosome?
Answer: because they inherit one complete set from each parent