In guinea pigs, short hair (L) is dominant to long hair (I), and the heterozygous condition of yellow coat (C') and white coat (CW) give cream coat. A short-haired, cream guinea pig is bred to a long-haired, white guinea pig, and a long-haired, cream baby guinea pig is produced. When the baby grows up, it is bred back to the short-haired cream parent. Use a Punnet square to diagram the cross between the long-haired, cream baby guinea pig and the short-haired 4. a. cream parent. b. Give the genotypic and phenotypic ratios of the expected offspring of the cross in (a).

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A:

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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.