Generation F1 refers to the first filial generation. Branch generations are the nomenclature given to successive sets of offspring by controlled or observed reproduction. The initial generation is assigned the letter “P” for the parent generation. The first set of offspring of these parents is therefore known as the F1 generation. Generation F1 can reproduce to create generation F2 and so on. Scientists use this designation to track groups of offspring as they look at the genetics of various generations.
When the “father of genetics”, Gregor Mendel, first revealed the secrets of pea genetics, he started by producing purebred pea lines. Peas are a variety of plants that are self-fertilizing, meaning that the male part of the plant can fertilize the eggs produced by the female part of the plant. If allowed to self-fertilize, these plants would produce offspring with the same traits. For example, the pea pods on one plant and all of its offspring would produce green pods, while another plant would produce all yellow pods. To unlock the secrets of how these traits were passed on to offspring, Mendel decided to cross these two plant lines. Mendel took pollen from plants with yellow pods and transferred it to plants with green pods. He then made the opposite cross, from the green pod pollen to the yellow pod flowers.
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The F1 generation can be very special
The F1 generation is the first descendant of the P generation. If the P generation is chosen rightly, the F1 generation could have special properties. For example heterosis, which means that this generation is stronger or more resistant than one of the P generations. This could occur, for example, when the P generation consists of two different species or two inbred lines.
Main areas covered
1. What is the F1 generation – Definition, genetics, importance2. What is the F2 generation – Definition, genetics, importance3. What are the Similarities Between F1 and F2 Generation – Common Characteristics Diagram4. What is the difference between the F1 generation and the F2 generation – Comparison of key differences
Dihybrid, F1 generation, F2 generation, hybridization, inbreeding, inbreeding