7.1 7.2 Quiz

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Period: _________
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Genetics 7.1 & 7.2 Quiz
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Read directions carefully. If you need more room, staple a piece of paper on the back. Make
sure you number the questions!
1.) What is the difference between a genotype and a phenotype?
2.) What is the difference between a dominant and recessive allele?
3.) MAKE SURE YOU ANSWER EACH PART! What is the difference between heterozygous and
homozygous? What is another word can I use for each one?
4.) Mendel is called the Father of ________________.
5.) Genetics is the study of ____________________.
6.) Using eye color, explain what genes, alleles, and traits are.
7.) A homozygous dominant dragon with long fangs (L) is mixed with a homozygous recessive
dragon with short fangs (l). Tell me…
a. Dominant genotype and phenotype:
b. Recessive genotype and phenotype:
c. Fill out the Punnett Square with the given cross
d. What is the ratio of long fangs to short fangs?
e. What are the phenotypes and genotypes of the offspring?
8.) Cross a heterozygous long fanged dragon with a heterozygous long fanged dragon.
a.) What are the phenotypes and genotypes of the offspring?
b.) What is my ratio of short fanged dragons to long fanged dragons?
c.) What is my percentage of heterozygous and homozygous dragons?
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