What is the percent chance that an offspring has green pods?

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To determine the percent chance that an offspring has green pods, it is essential to understand the genetics involved in pod color inheritance. In many plant species, pod color can be attributed to a single gene with two alleles: one for green pods and one for yellow pods, for example. If we assume that green is dominant over yellow, the genetic combinations of the parent plants can be analyzed using a Punnett square.

If both parents are heterozygous for the pod color trait (each carrying one gene for green pods and one for yellow pods), their genotypes can be represented as Gg. The potential combinations from crossing these two plants would yield:

  • GG (homozygous green)

  • Gg (heterozygous green)

  • gG (heterozygous green)

  • gg (homozygous yellow)

From this cross, the offspring genotypes would mix to produce:

  • 1 GG

  • 2 Gg

  • 1 gg

This translates to a total of 3 combinations that express the dominant green trait (GG and Gg) out of 4 possible combinations. This results in a calculation for green pod color of 3 out of 4, or 75%.

Thus, the

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