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1. Compare and contrast the pattern of inheritance of complete heterochromia with Mendelian patterns.

2. Some traits are inherited together. For example, big nose and large ears traits are usually inherited together, and small nose traits are usually inherited with small ears traits.

a. If the dominant allele E represents large ears and the recessive allele e represents small ears, what is most likely the genotype for the nose and ears size trait of the face? (Hint: The genotype should be represented by four alleles.)

b. Give an example of two traits usually inherited together. Inherited traits include things such as hair color, eye color, muscle structure, bone structure, and even features like the shape of a nose. Inheritable traits are traits that get passed down from one generation to the next. This might include things like passing red hair down in a family.

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Answer :

Final answer:

Complete heterochromia follows a non-Mendelian pattern of inheritance, while Mendelian patterns are based on dominance, recessiveness, and independent assortment of alleles. The genotype for the Nose and Ears Size trait with big nose and large ears would be EENN. Hair color and eye color are examples of traits that are usually inherited together.

Explanation:

Inheritance patterns can be either Mendelian or non-Mendelian. Complete heterochromia, a condition where there is a difference in coloration of the iris between the two eyes, follows a non-Mendelian pattern of inheritance. It is caused by the presence of multiple genes and environmental factors. On the other hand, Mendelian patterns of inheritance are based on the principles of dominance, recessiveness, and independent assortment of alleles.

a. The genotype of the Nose and Ears Size trait can be represented by a combination of four alleles. If the dominant allele E represents large ears and the recessive allele e represents small ears, and if the dominant allele N represents big nose and the recessive allele n represents small nose, the genotype of a person with big nose and large ears would be EENN.

b. An example of two traits usually inherited together is hair color and eye color. These traits are typically inherited together due to the close proximity of the genes responsible for their expression on the chromosomes.

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