8. How many sex chromosomes do humans have \[22 - 44 - 23 - 2]
2
19. A mutation that causes camouflage in animals is \[helpful - harmful - neutral]
helpful
18. Which of these is an environmental mutagen \[UV light - X rays - pesticides - all of these]
all of these
3. Variation between individuals can be due to \[inheritance - environment - both - none]
both
1. How many chromosomes are in a human cell \[22 - 23 - 46 - 44]
46
11. Which parent determines the sex of the offspring \[mother - father - both - neither]
father
10. What is the sex chromosome combination for a human male \[XX - XY - YY - XO]
XY
12. Which chromosome is larger \[X - Y - both equal - none]
X
2. How many chromosomes do we get from each parent \[22 - 23 - 46 - 44]
23
16. Which type of mutation switches one base for another \[deletion - addition - substitution - inversion]
substitution
6. Eye color difference is an example of \[helpful - harmful - neutral] variation
neutral
14. Which type of mutation removes a base pair \[deletion - addition - substitution - inversion]
deletion
4. Which type of variation helps species survive and reproduce \[helpful - harmful - neutral - none]
helpful
9. What is the sex chromosome combination for a human female \[XX - XY - YY - XO]
XX
17. Why are males more likely to show sex linked mutations \[because they have two X - because they have one X - because they have two Y - because they have no X]
because they have one X
13. A mutation is any change in DNA of a gene or chromosome \[true - false]
true
5. Which type of variation causes genetic diseases \[helpful - harmful - neutral - none]
harmful
7. How many autosomal chromosomes do humans have \[22 - 44 - 23 - 2]
44
15. Which type of mutation adds a base pair \[deletion - addition - substitution - inversion]
addition
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