Polygenic traits are controlled by two or more than two genes (usually by many different genes) at different loci on different chromosomes. These genes are described as polygenes . A polygene refers to a group of genes that when expressed together produce a particular phenotype or trait.
Explanation:
While only about 5% of bacterial species are pathogenic, it is assumed that about 70% and above are non-pathogenic.
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Answer: e. generation time
Explanation:
The generation time is the time that is required by the bacterial cell or cell of the any other organism required to be doubled in number during a specified or constant period of time. The generation time can vary in different organisms.
For example, the E.coli cell divides in every 20 minutes, hence, the generation time of the E.coli is 20 minutes and for the Staphylococcus aureus it is seen as 30 minutes.
Beryllium. The image represents beryllium.
