2. Pea plants have two alleles for pea color: Y is the dominant allele and produces yellow peas; y is the 1 recessive allele and produces green peas. Consider two parental pea plants each have the genotype Yy. Place the parental alleles on the axes of the Punnett square at right and fill in the boxes corresponding to each offspring that would result from fertilization events between the parental gametes. a. Of the four possible offspring, how many would have the genotype YY? b. Of the four possible offspring, how many would have the genotype Yy? c. Of the four possible offspring, how many would have the genotype yy? d. What is the probability of an offspring from this cross having yellow peas? e. What is the probability of an offspring from this cross have green peas?

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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.