3rd Six Weeks Exam REVIEW
3rd Six Weeks Exam REVIEW
1. Define PHOTOTROPISM & GEOTROPISM and draw a picture of each.
1. Define PHOTOTROPISM & GEOTROPISM and draw a picture of each.
2. What is the difference between an internal and external response?
2. What is the difference between an internal and external response?
3. Define each type of ASEXUAL reproduction and draw a picture.
3. Define each type of ASEXUAL reproduction and draw a picture.
4. Define ASEXUAL and SEXUAL reproduction. Will the offspring of each
4. Define ASEXUAL and SEXUAL reproduction. Will the offspring of each
be identical or a diverse traits?
be identical or a diverse traits?
5. What is the main function of a flower?
5. What is the main function of a flower?
6. Define heredity.
6. Define heredity.
7. Where are chromosomes found?
7. Where are chromosomes found?
8. What are chromosomes made out of?
8. What are chromosomes made out of?
9. Make a Punnett square for TT x tt.
9. Make a Punnett square for TT x tt.
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What are the genotypes for the parents?
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What are the genotypes for the parents?
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What is the genotype for all of the offspring?
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What is the genotype for all of the offspring?
10. Define genotype and give an example.
10. Define genotype and give an example.
11. Define phenotype and give an example.
11. Define phenotype and give an example.
3rd Six Weeks Exam REVIEW – answer key
1. Phototropism: A plant’s response to light. Light is the stimulus. The plant leaning towards to the light is the
response.
2. Geotropism: A plant’s response to gravity. Gravity is the stimulus. The plant’s roots growing down is the
response.
3. Internal Response is a response happening inside your body (that can’t be seen). External response is a
response happening outside of your body (that can be seen)
4. Asexual Reproduction: Reproduction involving only ONE parent cell. Offspring will be identical to parent
cell.
Sexual Reproduction: Reproduction involving TWO parent cells. Offspring will be diverse (mixture of both
parent cells).
5. The main function of a flower is to produce seeds for reproduction!
6. Heredity: The passing of traits from parents to offspring. (Traits that run in your family)
7. Chromosomes are found in the Nucleus.
8. Chromosomes are made out of DNA.
9. Genotype for parents: TT and tt
Genotype for offspring: all Tt
10. Genotype: The actual gene combination for a trait. Represented by letters. RR rr Rr
11. Phenotype: the physical feature resulting from the genotype. Short, Tall, Blonde hair, brown eyes…