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| 1 | |
How does the term gene relate to the term allele? |
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| 2 | |
Define the term genome. |
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| 3 | |
What is meant by the symbols n and 2n? |
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| 4 | |
Distinguish between phenotype and genotype. |
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| 5 | |
What types of symbols are typically used to express genotypes? |
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| 6 | |
How many kinds of gametes are possible with the following genotype Aa? |
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| 7 | |
What is the difference between a single factor and double factor cross? |
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| 8 | |
What is the difference between probability and possibility? |
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| 9 | |
In what mathematical forms might probability be expressed? |
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| 10 | |
In your own words describe Mendel's Law of segregation. |
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| 11 | |
Define self pollination. |
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| 12 | |
What is meant by the 'F1 generation'? |
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| 13 | |
What does it mean when geneticists use the term independent assortment? |
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| 14 | |
What is a Punnett square? |
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| 15 | |
What is the probability of each of the following sets of parents producing the given genotypes in their offspring?
| Parents | Offspring
| | a. | AA x aa | Aa | | b. | Aa x Aa | Aa | | c. | Aa x Aa | aa | | d. | AaBb x AaBB | AABB | | e. | AaBb x AaBB | AaBb | | f. | AaBb x AaBb | AAB |
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| 16 | |
What possible combinations of parental genotypes could produce an offspring with the genotype Aa? |
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| 17 | |
In certain pea plants, the allele T for tallness is dominant over t for shortness.
a. If a homozygous tall and homozygous short plant are crossed, what will be the phenotype and genotype of the offspring?
b. If both individuals are heterozygous, what will be the phenotypic and genotypic ratios of the offspring? |
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| 18 | |
What is the difference between dominant and codominant? |
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| 19 | |
What is the probability of a child having type AB blood if one of the parents is heterozygous for A blood and the other is heterozygous for B? What other genotypes are possible in this child? |
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| 20 | |
What is a linkage group? |
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| 21 | |
Provide examples of genes that are linked. |
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| 22 | |
What types of symbols are typically used to express genotypes? |
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| 23 | |
What type of factor can cause a dominant allele to not be expressed? |
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| 24 | |
Give two examples of environmentally influenced genetic traits. |
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