The of horns in goats is due to the presence of a dominant allele at an autosomal locus. presence Only male goats have horns. This trait is best describe as a(n) • trait. A cross was made between a hornless male and a heterozygous female. Determine the phenotypic ratio expected in the offspring from this cross. Fill in the spaces below with whole. numbers in lowest form to complete the ratio. Write a zero in the space if no progeny of that type are expected. Horned Females: Hornless Females: Horned Males: Hornless Males

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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.