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Questions and Answers
What is the reason for the altered phenotype ratios in the Snapdragon monohybrid cross?
What is the reason for the altered phenotype ratios in the Snapdragon monohybrid cross?
- Incomplete dominance of R over r (correct)
- Lethal alleles
- Co-dominance of R and r
- Complete dominance of R over r
What is the function of a gene in a diploid organism?
What is the function of a gene in a diploid organism?
- To synthesize proteins
- To replicate DNA
- To metabolize glucose
- To contain information for expressing a particular trait (correct)
What is the difference between the two alleles in a heterozygote?
What is the difference between the two alleles in a heterozygote?
- One is dominant and the other is recessive
- One is active and the other is inactive
- One is mutated and the other is normal (correct)
- One is inherited from the mother and the other from the father
Why are there two copies of each gene in a diploid organism?
Why are there two copies of each gene in a diploid organism?
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What is the result of incomplete dominance in the Snapdragon cross?
What is the result of incomplete dominance in the Snapdragon cross?
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What is the role of the normal allele in the enzyme production example?
What is the role of the normal allele in the enzyme production example?
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Why can Rr be distinguished from RR and rr in the Snapdragon cross?
Why can Rr be distinguished from RR and rr in the Snapdragon cross?
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What is the term for the phenomenon where one allele is not completely dominant over the other?
What is the term for the phenomenon where one allele is not completely dominant over the other?
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What is the significance of the two allelic forms in the enzyme production example?
What is the significance of the two allelic forms in the enzyme production example?
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Why does the Snapdragon cross not follow the expected 3:1 dominant : recessive phenotype ratio?
Why does the Snapdragon cross not follow the expected 3:1 dominant : recessive phenotype ratio?
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