Which of the following is a characteristic of recessive alleles?

Practice Questions

Q1
Which of the following is a characteristic of recessive alleles?
  1. Always expressed in the phenotype
  2. Only expressed in homozygous condition
  3. Expressed in heterozygous condition
  4. Dominates over all other alleles

Questions & Step-by-Step Solutions

Which of the following is a characteristic of recessive alleles?
  • 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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