In snapdragons red flower colour (CR) is incompletely dominant to white flower colour (CW). The heterozygote has pink flowers. Normal broad leaves (LB) are incompletely dominant to narrow, grass-like leaves, (LN). The heterozygote has intermediate leaf width. If a red-flowered, narrow leaved snapdragon is crossed with a white-flowered broad leaved one, what will be the phenotypes in the F1 and F2 generations, and what will be the proportions of the different classes? 1. (Draw a branch diagram to provide the answer) 23:41 4月10日 週五 7 64% CRR LaN x c wwL 313 Ratio BB RIRR RW RR B BB BU RR W Rw ww RR BN RR вВ BB 2 C*M BN NN C Ru BB BB BN NN 4
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.
How to draw a branch diagram to provide the answers
Figure1 is questions.Figure 2 is my answers.
Since I don't know how to do this question, how to draw a branch diagram of two alleles on a chromosome. If my answer is not correct, please correct it and give me the correct answer. THX.
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