Mutations and Natural Selection

2. The type of point mutation where one nucleotide in a DNA sequence is replaced with another
4. The factors in the environment that may cause some individuals of a species to thrive and others to struggle are known as selective _______________
6. These types of mutations are generally not found in the DNA of all a person’s cells rather just some of their cells
7. Cystic fibrosis is an example of an autosomal ____________ mutation, because must get a mutated copy of the gene from each parent in order to get the disorder
9. Mutations can be good, bad or ____________.
10. One principal behind Darwin's theory of evolution is that a species has more ___________________ than can survive.
14. Dairy cows are sometimes given synthetic ________________ in order to increase their milk production. _____________ have been connected to cancer.
15. Natural selection is the driving force behind ____________, meaning natural selection is the process that causes _______________ which is the result.
17. This is a common acquired mutation.

1. These mutations can be found on chromosome # 1-22
3. The two main types of mutations are ________and acquired
5. Natural selection can occur if you have differnces in a species, this is known as genetic___________
8. You are exposed to this risk factor of cancer when you get x-rays.
11. Natural selection is commonly known as survival of the _________
12. Down Syndrome, also known as Trisomy 21, is caused by a ________________________ mutation involving an extra chromosome 21.
13. Change in a single nucleotide base within a DNA or RNA sequence is known as a ___________ mutation
16. ___________selection is where organisms with traits better suited to their environment tend to survive and reproduce more successfully, passing on those beneficial traits to their offspring.
18. Inherited mutations are in all of your _________ because were passed down from the sperm, egg of both gametes.