Moderate

Two normal (Aa) parents have chances of an albino child:

Correct answer: A. 25%

  • A. 25%
  • B. 50%
  • C. 75%
  • D. 100%

Explanation

Since the parents are heterozygous and when Aa x Aa are crossed the results will be 1. AA, 2. Aa, 3. Aa, 4. aa. So 75% child will be normal and 25% will be albino.

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About Inheritance

Mendel's laws explain segregation, independent assortment and the prediction of genetic ratios using alleles, genotypes and phenotypes. The chapter also covers linked genes, recombination and crossing over during meiosis, then applies pedigree reasoning to X-linked recessive traits, which show different inheritance patterns in males and females.

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