Answer Key for Punnett Square Practice Packet - Punnett Square Practice Packet Name Class Period 1 Cross a heterozygous tall pea plant with a homozygous

Answer Key for Punnett Square Practice Packet - Punnett...

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Punnett Square Practice Packet Name__________________________ Class Period_______ 1. Cross a heterozygous tall pea plant with a homozygous short pea plant. Where T= tall and t=short. The tall gene is dominant over the short gene. A. Genotypic Ratio 0 TT, 2 Tt, 2 tt B. Phenotypic Ratio 2 tall 2 short C. Probability of having a heterozygous offspring. 50% D. Punnett Square mmmm mmmm mmmm T t t Tt tt t Tt tt 2. Cross a heterozygous tall yellow pea plant with a short green pea plant. Where T=Tall t=short and Y=Yellow y=green. The tall gene is dominant over the short gene and yellow is dominant over green. A. Probability of having a tall yellow pea plant as an offspring. 25% are tall and yellow B. Punnett square kljlkjfdskllkdjf TY Ty tY ty ty TY ty Ty ty tY ty ty ty ty TY ty Ty ty tY ty ty ty ty TY ty Ty ty tY ty ty ty ty TY ty Ty ty tY ty ty ty 3. Cross a homozygous tall pea plant with a homozygous short pea plant. Where T= tall and t=short. The tall gene is dominant over the short gene.
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Punnett Square Practice Packet Name__________________________ Class Period_______ E.
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  • Fall '19
  • Genetics, heterozygous tall pea plant, Punnett Square Practice Packet

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