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Genetics Review 2
Test Description: Get ready to rock the test! Another version
Instructions: Answer all questions to get your test result.
1) A man accidentally being born with 12 toes is an example of what?
A
genetic engineering
B
mutation
C
genotype
D
selective breeding
2) If Widows Peak is dominant over No Widows Peak, which genotype could a person with NO widows peak have?
A
ww
B
Ww
C
WW
D
wW
3) What could Rr be classified as?
A
Heterozygous dominant
B
Heterozygous
C
Homozygous recessive
D
Homozygous dominant
4) What is true about sex cells that form from meiosis?
A
They have three times the amount of DNA as body cells
B
They have half the amount of DNA as body cells
C
They have twice the amount of DNA as body cells
D
They have the same amount of DNA as body cells
5) What are the stages of mitosis, in order?
A
Metaphase, anaphase, telophase, prophase
B
Prophase, anaphase, telophase, metaphase
C
Prophase, metaphase, anaphase, telophase
D
Telophase, meetaphase, anaphase, prophase
6) In a pedigree chart, what represents a male?
A
Horizontal line
B
Circle
C
Square
D
Triangle
7) If you want to breed a huge pumpkin, what is a downfall of selective breeding?
A
Selective breeding is relatively new and dangerous
B
You cannot control exactly which traits the pumpkin will get from its mom and dad
C
Selective breeding can help you get a particular trait in the offspring
D
Selective breeding is done accidentally
8) Which of the following is NOT true about recessive genes?
A
They only appear when dominant genes are not present
B
They only appear in the girl if the mother has them, or the boy if the father has them
C
They are represented by a lowercase letter
D
They will always lose to dominant genes
9) Which description BEST describes the appearance of DNA?
A
Is too small to see, so we don't know what it looks like
B
Shaped like an X
C
Shaped like a ladder, is called a double helix
D
Shaped like pieces of white thread
10) What are alleles of eye color?
A
Blue and Brown
B
Small and big
C
chromosomes and DNA
D
A gene of eye color
*select an answer for all questions
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