Mendel's Law of inheritance Activity 9.2 Green & Yellow Pea breeding can be used to show TT Tt tt are in 1:2:1 ratio. F1 progeny are used to generate F2 progeny by self-pollination Breeding of Peas Cellular DNA is the information source for making proteins in the cell. A section of DNA that provides information for one protein is called the gene for that protein. Plant height can depend on the amount of a particular plant hormone . The amount of the plant hormone made will depend on the efficiency of the process for making it. Consider now an enzyme that is important for this process. If this enzyme works efficiently, a lot of hormone will be made, and the plant will be tall. If the gene for that enzyme has an alteration that makes the enzyme less efficient, the amount of hormone will be less, and the plant will be short. Thus, genes control characteristics, or traits. Genes are small sections of DNA within the genome that code for proteins. They contain t...
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Exercise: 15.1 1. Complete the following statements: (i) Probability of an event E + Probability of the event ‘not E’ = ___________. (ii) The probability of an event that cannot happen is __________. Such an event is called ________. (iii) ...