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Which of the following is a characteristic of recessive alleles?
Which of the following is a characteristic of recessive alleles?
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Practice Questions
1 question
Q1
Which of the following is a characteristic of recessive alleles?
Always expressed in the phenotype
Only expressed in homozygous condition
Expressed in heterozygous condition
Dominates over all other alleles
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Copy
Recessive alleles are only expressed in the phenotype when in a homozygous condition (two copies of the recessive allele).
Questions & Step-by-step Solutions
1 item
Q
Q: Which of the following is a characteristic of recessive alleles?
Solution:
Recessive alleles are only expressed in the phenotype when in a homozygous condition (two copies of the recessive allele).
Steps: 5
Show Steps
Step 1: Understand what alleles are. Alleles are different versions of a gene.
Step 2: Know that there are two types of alleles: dominant and recessive.
Step 3: Recognize that dominant alleles can mask the effect of recessive alleles.
Step 4: Learn that recessive alleles are only visible when there are two copies of them (homozygous condition).
Step 5: Conclude that if you have one dominant allele and one recessive allele, the dominant trait will show up instead of the recessive trait.
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