Some mice have either a kinked tail or a normal tail. Kinked tails (K) are dominant. Located on another chromosome is the gene for growth. This gene can either be dominant, causing normal growth (N), or it can be recessive (n), causing obesity in the mouse. Two mice that are heterozygous for a kinked tail and heterozygous for normal growth are crossed. What is the phenotype ratio resulting from this cross?

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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.