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The table shows the genotypes of three pea plants for the allele for height. Which prediction about the three plants is the most reasonable? (1 point)

Plant C will be the shortest.

Plant A and Plant C will have similar heights.

Plant A will be the tallest.

Plant B and Plant C will have similar heights.

Plant A Plant B Plant C
tt TT Tt

3 answers

To predict the heights of the pea plants based on their genotypes:

  • Plant A has genotype tt (homozygous recessive), which typically represents the short phenotype.
  • Plant B has genotype TT (homozygous dominant), which typically represents the tall phenotype.
  • Plant C has genotype Tt (heterozygous), which typically represents the tall phenotype as well.

Given these genotypes, we can derive the following heights:

  • Plant B (TT) will be the tallest.
  • Plant C (Tt) will also be tall but may be slightly shorter than Plant B.
  • Plant A (tt) will be the shortest.

Based on this information, the most reasonable prediction is:

Plant A will be the tallest. (This is incorrect based on the genotypes.)

The correct prediction should be:

Plant C will be the shortest. (This is also incorrect.)

Plant A will be the tallest. (This goes against findings)

Plant B and Plant C will have similar heights. (This would be most likely true as both are tall but not identical)

However, if we look for the most accurate prediction based on their genotypes, the answer would be:

Plant A will be the shortest.

thats not an option

I apologize for any confusion. Given the available options and the provided genotypes, here’s a clearer assessment:

  1. Plant A (tt) - typically represents the short phenotype.
  2. Plant B (TT) - typically represents the tall phenotype.
  3. Plant C (Tt) - typically represents the tall phenotype (but not as tall as Plant B).

Now, let's analyze the options again:

  • Plant C will be the shortest. (Incorrect; Plant A is the shortest.)
  • Plant A and Plant C will have similar heights. (Incorrect; Plant A will be short, while Plant C will be tall.)
  • Plant A will be the tallest. (Incorrect; Plant A is the shortest.)
  • Plant B and Plant C will have similar heights. (This is the most reasonable, as both will be tall, with Plant B likely being taller than Plant C.)

Considering the explanations of the genotypes and the options provided, the correct choice would be:

Plant B and Plant C will have similar heights.

This prediction makes sense since both plants B and C possess at least one dominant allele (T) and will be tall, while Plant A will be significantly shorter. Thank you for your patience!