Question

Name three Mendelian inheritance patterns and 3 non mendelian inheritance patterns.

Answer 1

Mendelian patterns -

A. Dominance, there are two allles for a gene. One of the alleles is dominant over the other allele which is recessive.

B. Independent assortment which is the the separation of alleles of different genes from each other during gamete formation so that every gamete receives one allele of a gene.

C. Segregation, which is the separation of alleles of a gene from each other in an independent manner.

Non mendelian pattern -

A. Incomplete dominance in which the dominant allele is incompletely dominant over the recessive allele and is not able to express itself completely in heterozygous condition. Because of this, an intermediate phenotype is seen in heterozygotes.

B. Codominance in which there are two dominant alleles, both of which are equally dominant over each other and Express themselves equally in heterozygous condition. Because of this the heterozygotes show a variegated phenotype.

C. Linkage is an exception to the law of independent assortment. The genes do not separate independently of each other and are inherited together because they are closely placed on the same chromosome.

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