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o-na [289]
2 years ago
8

You carry out a self-cross of the offspring produced from a cross between homozygous pea plants with yellow and green seeds. You

observe a 3:1 phenotypic ratio in the next generation. What is the underlying genotypic ratio
Biology
1 answer:
xenn [34]2 years ago
7 0

If the phenotypic ration is 3:1 then the underlying genotypic ratio will be 1:2:1.

  • The genotype of an individual is their own DNA pattern. More specifically, the two alleles a person acquired for a particular gene are referred to by this phrase. The observable character of this genotype is called a phenotype.
  • The genotype of an organism is the particular arrangement of alleles for a particular gene.
  • As an illustration, the genotypes for the flower-color gene in the pea plants were red-red, red-white, and white-white. The physical representation of an organism's allelic combination is called a phenotype.
  • for example let us take the example of the height of pea plant. the T represent tall plant (dominant) while t represents short/dwarf plant (recessive).
  • In this monohybrid cross the phenotypic ratio observed is 3:1 i.e., three tall plants and one dwarf plant.
  • However the genotypes of the four offspring will be TT, Tt, Tt, tt.
  • Hence the genotypic ratio comes out to be 1:2:1.

The same is shown in the Punnett square below

learn more about genotype and phenotype here: brainly.com/question/22117

#SPJ4

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