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In tomatoes, yellow fruit and dwarf vines are recessive traits. Red fruit and tall vines are dominant. Complete a Punnett square and answer the questions below for a cross between a homozygous dominant red and homozygous dominant tall plant crossed with a heterozygous red and dwarf plant. Use the letters R and r for fruit color, and T and t for height.What is the phenotype ratio?

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CarebearWarriorPanda

Answer: The phenotype ratio would be 1:2

Explanation:

Sorry for the messy sketch! In the punnet square you can see that the first column are both going to be red and tall, and in the second column they’re both going to be red and short. Phenotype means how they look so the ratio would be 1:2

Ver imagen CarebearWarriorPanda

In the tomato's the yellow fruit and the dwarf vines have a recessive trait. The red fruit and the tall vines are dominant thee can be shown on completing the Punnett square.  

  • As per the Punnett square you can see that the first column has both the red and tall, and in the second column they’re both red and short. The red tail R and the small tail t.  
  • Thus RR, Rt, Rr, and rt.
  • Hence the phenotype means ratio would be of 1:2

Learn more about the yellow fruit and dwarf vines.

brainly.com/question/15953002.

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