Gregor Mendel and Mendel's Principles
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Questions and Answers

What type of relationship between alleles is described in incomplete dominance?

  • One allele is recessive and gets completely masked by the dominant allele
  • One allele is completely dominant over the other
  • Both alleles are expressed simultaneously in distinct traits
  • Both alleles are partially expressed, resulting in an intermediate phenotype (correct)

In a dihybrid cross involving seed shape (Round/Wrinkled) and seed color (Yellow/Green), what would be the genotype of a wrinkled, yellow seed?

  • rryy (correct)
  • RRYY
  • RrYy
  • rrYY

What is the phenotypic ratio resulting from a dihybrid cross involving seed shape and seed color?

  • 1:2:1
  • 9:3:3:1 (correct)
  • 3:1
  • 2:1

Which term best describes the relationship between alleles in codominance?

<p>Both alleles are expressed separately to yield different traits (A)</p> Signup and view all the answers

What is the genotype of a pink Snapdragon flower resulting from a cross between a white Snapdragon and a red Snapdragon?

<p>Rr (D)</p> Signup and view all the answers

When heterozygous round seeds are crossed with heterozygous yellow seeds, what is the probability of getting wrinkled seeds?

<p>$\frac{3}{16}$ (C)</p> Signup and view all the answers

In a Dihybrid Cross involving snapdragon flowers, what would be the expected genotypic ratio in the offspring?

<p>$1:2:1$ (C)</p> Signup and view all the answers

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