Mendel studied 7 traits in pea plants. One of the monohybrid crosses he made was between plants with round seeds (R) and plants with wrinkled seeds (r). Seed Shape Round Wrinkled Round What was a conclusion that Mendel drew from the F1 generation of this cross? O A Three fourths of the F, plants show the round seed phenotype and carry the dominant allele for roundness. O B One fourth of the F, plants show the round seed phenotype and are heterozygous. O C. The F, plants are all heterozygous O D. The F, plants all have wrinkled seeds, but some carry the allele for round seeds.
Genetic Variation
Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.
Quantitative Genetics
Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.
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