Biology 0610 · IGCSE · Monohybrid inheritance

Monohybrid inheritance — practice question

In a mammal species, the allele H for short hair is dominant whereas the allele h for long hair is recessive. A heterozygous individual is crossed with a long-haired individual. What phenotypic ratio would you expect among the offspring?

  • A100% short-haired, 0% long-haired
  • B75% short-haired, 25% long-haired
  • C50% short-haired, 50% long-haired
  • D25% short-haired, 75% long-haired

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