Use the figure and the following description to answer the question(s) below. In a particular plant, leaf color is controlled by gene locus D. Plants with at least one allele D have dark green leaves, and plants with the homozygous recessive dd genotype have light green leaves. A true- breeding, dark- leaved plant is crossed with a light- leaved one, and the F1 offspring is allowed to self- pollinate. The predicted outcome of the F2 is diagrammed in the Punnett square shown in the figure, where 1,2,3, and 4 represent the genotypes corresponding to each box within the square. D d D 1 2 4 Which of the boxes marked 1- 4 correspond to plants with a heterozygous genotype? 2 and 3 1 1,2, and 3 2, 3, and 4 3.

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A:

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A:

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A: Mendel is also known as father of genetics. He had contributed as lot in field of genetics.

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.