All the plants in F1 generation will be tall and will have same genotypes, i.e. all plants will be heterozygous tall. … Homozygous tall and heterozygous tall will be in the ratio of 2:1. Thus in monohybrid cross F1 plants have similar genotype. All are heterozygous tall (Tt).
What is the phenotype and genotype of F1 generation?
So, the F1 generation all have identical genotypes, heterozygous at the seed color gene, and their phenotypes are yellow seeds.
What is phenotype example?
Examples of phenotypes include height, wing length, and hair color. Phenotypes also include observable characteristics that can be measured in the laboratory, such as levels of hormones or blood cells.
What was Mendel’s ratio?
This 9:3:3:1 phenotypic ratio is the classic Mendelian ratio for a dihybrid cross in which the alleles of two different genes assort independently into gametes. Figure 1: A classic Mendelian example of independent assortment: the 9:3:3:1 phenotypic ratio associated with a dihybrid cross (BbEe × BbEe).
What does a 3 1 ratio mean?
A ratio of 3:1 means that there are 4 parts altogether. The fractions from the ratio can therefore be deduced as. 34and14. These represent the percentages: 75%:25%