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MMLU-Pro / 2889 / Consider that in horses a single pair of genes controls gait. Some horses can…

Problem

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question

Consider that in horses a single pair of genes controls gait. Some horses can only exhibit a trotting gait, while others exhibit only a pacing gait. In an attempt to determine the pattern of inheritance displayed by this trait, a horse breeder crossed a stallion (\male) that came from a long line of pacers to several mares (\venus) that were trotters. All of the foals were trotters. Which gait is under the control of the dominant gene? Using the letters T and t to represent the dominant and recessive genes, respectively, identify the genotypes of the stallion, the mares and the foals.

category

biology

options

  1. Trotting gait is controlled by the recessive gene, t. The genotype of the stallion is TT, that of the mares is tt, and the genotypes of the foals is Tt.
  2. Pacing gait is controlled by the recessive gene, t. The genotype of the stallion is tt, that of the mares is TT, and the genotypes of the foals is tt.
  3. Pacing gait is controlled by the dominant gene, T. The genotype of the stallion is Tt, that of the mares is tt, and the genotypes of the foals is Tt.
  4. Trotting gait is controlled by the recessive gene, t. The genotype of the stallion is TT, that of the mares is Tt, and the genotypes of the foals is tt.
  5. Trotting gait is controlled by the dominant gene, T. The genotype of the stallion is Tt, that of the mares is TT, and the genotypes of the foals is TT.
  6. Trotting gait is controlled by the dominant gene, T. The genotype of the stallion is tt, that of the mares is TT, and the genotypes of the foals is Tt.
  7. Trotting gait is controlled by the recessive gene, t. The genotype of the stallion is tt, that of the mares is Tt, and the genotypes of the foals is tt.
  8. Pacing gait is controlled by the dominant gene, T. The genotype of the stallion is tt, that of the mares is Tt, and the genotypes of the foals is Tt.
  9. Pacing gait is controlled by the recessive gene, t. The genotype of the stallion is Tt, that of the mares is TT, and the genotypes of the foals is Tt.
  10. Pacing gait is controlled by the dominant gene, T. The genotype of the stallion is TT, that of the mares is tt, and the genotypes of the foals is Tt.

src

stemez-Genetics

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Source and history

upstream_id / Original problem ID
2889
task_id
8583db8f-950a-518c-92c2-4d940a9941d3
task_key
default--test--2889
task_revision_id
1
config / split
default / test

Official source

initial import