1. In the milotypes of wheat, 4 recessive genes for height have been identified. They have been designated as h1, h2, h3, and h4. A plant homozygous recessive for these 4 pairs of genes is 21inches tall, while a plant homozygous dominant for these 4 pairs of genes is 45 inches tall. Assume that these alleles contribute quantitatively, cumulative and equally for the height difference. A plant breeder crossed plants with genotypes of H1H1H2H2h3h3h4h4 and h1h1h2h2h3h3H4H4. Both F1 and F2 generations were observed. a. What are the heights of the parents? b. What would be the heights of the F1 plants? c. Enumerate the range of heights that you can expect in the F2 generation. Also, indicate the expected number of plants of each height. d. What would be the expected mean height of the F2 progeny?

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Inheritance and Mendelian Genetics

Inheritance means the passing of traits to offspring from parents. These traits could be passed either through asexual reproduction or sexual reproduction. The offspring receives the genetic material from the parents. Mendelian inheritance is a certain biological inheritance that follows the rules and principles laid down by Gregor Mendel in 1865. The initial hypothesis was considered wrong, but other inheritance theories modified the concept of inheritance and thus genetics.