A specific form or variation of a gene is called an allele. In roses, one allele is called "everblooming" (e) because this allele causes plants to bloom at a younger age and for longer periods than plants found in the wild. Many modern rose breeds have two copies of the "everblooming" allele, while wild roses have two copies of the dominant "wild" allele (E).How would you replace the numbers with the correct outcomes in the Punnett square below to show how two parent rose plants, each with one dominant allele and one recessive allele for blooming, can produce an offspring plant with the characteristics of the "everblooming" allele?EeE13e24

Respuesta :

When crossing two parents with one dominant and one recessive version of an allele, we can confirm using a punnet square that the probability of producing an offspring with both recessive alleles is 25% or 1 in every 4 offspring.

A punnet square is a tool used by genetic scientists and students in order to estimate the probability of certain outcomes when mating parents with specific alleles. In order to complete a punnet square, you draw a square with 4 internal sections, and place the alleles of each parent on the perimeter, then combine them within the grid.

After completing enough punnet squares, one begins to notice a pattern. Any time you are combining two parents, each with one dominant and one recessive allele, the probability of obtaining an offspring with both recessive alleles is 25%. The chance of obtaining a genetic makeup similar to the parents is 50%, and the chance of obtaining both dominant alleles is again 25%.

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