<span>Sexual reproduction is able to generate genetic variation in offspring because the process of meiosis
randomly shuffles genes across chromosomes and then randomly separates
half of those chromosomes into each gamete. The two gametes then
randomly fuse to form a new organism.</span>
<u>Answer:</u>
An example situation of artificial selection is "More African elephants today naturally lack tusks compared to the elephant populations 100 years ago, because big game hunters sought elephants for ivory".
<u>Explanation:</u>
- The process of breeding animals to acquire the desired characteristics by the external means other than natural selection and behavior of animal itself is called as artificial selection.
- The first artificial selection was carried out by Darwin when he mated penguins that would have a higher chance of breeding.
- The practice of artificial selection was existing in human civilization a long time ago.
- This process was used to use wild animals and domestic animals in battles and other household works.
Because muscle cells are are the most worked during exercise.