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MMLU-Pro / 3239 / In summer squash, spheroid fruit genes are dominant over genes for elongated…

Problem

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question

In summer squash, spheroid fruit genes are dominant over genes for elongated fruit. A cross between two different homozygous spheroid-fruited varieties results in the following F_2: 89 disc62 spheroid11elongated Ascertain the fit of this data to a reasonable modified dihybrid ratio using chi-square analysis. Explain the pattern of inheritance, the F_1 genotype and phenotype, and the F_2 genotypes .

category

biology

options

  1. The pattern of inheritance is codominance at one locus and complete dominance at the other.
  2. The data fits a 15:1 ratio, suggesting that one gene is completely dominant over the other and that there is no interaction between genes.
  3. The data fits a 3:1 ratio
  4. The data fits a 9:6:1 ratio with a 90 percent probability. There is complete dominance at both gene loci. Interaction between two dominants produces a new disc phenotype.
  5. The data fits a 12:3:1 ratio indicating dominant epistasis.
  6. The data fits a 9:3:3:1 ratio, which is the expected ratio for a typical dihybrid cross with no gene interaction.
  7. There is incomplete dominance at both gene loci
  8. Interaction between two recessive genes produces a new disc phenotype
  9. The data fits a 1:2:1 ratio suggesting incomplete dominance and no epistasis.
  10. The F_2 genotypes indicate multiple alleles are involved at one gene locus.

src

stemez-Genetics

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Source and history

upstream_id / Original problem ID
3239
task_id
edfc764a-a175-5806-b38b-28b85b53e564
task_key
default--test--3239
task_revision_id
1
config / split
default / test

Official source

initial import