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A major concept of the gene theory of inheritance is that the genes are located in chromosomes. Explain how each of the following helps to establish...

A major concept of the gene theory of inheritance is that the genes are located inchromosomes. Explain how each of the following helps to establish this idea:a. A genotypic ratio of 1:2:1 in offspring of heterozygotes.b. The phenomenon of crossing over.c. Other chromosomal aberrations.d. The phenomenon of sex determination, as in man.

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