NON-MENDELIAN.docx - Non-Mendelian Patterns of Inheritance...

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Non-Mendelian Patterns of Inheritance: Codominance and Incomplete dominance TITLE GUIDE STUDENTS NOTES TASK: Explain and describe the characteristics of codominance and incomplete dominance; Find out the ratios or percentages of identified genotype and phenotype; Use punnet square to show how an allele of the parent affects their offspring. In Grade 8, you learned that cells divide to produce new cells and meiosis is one of theprocesses producing genetic variations in Mendelian patterns of inheritance. You will focus on describing the location of genes in chromosomes, explain the different patterns of non- Mendelian inheritance and describe the molecular structure of the DNA. Gregor Mendel’s principles form the base for the understanding of heredity and variation. Although Mendel’s work failed to discuss thoroughly the ‘factors’ or genes he mentioned in his laws of inheritance, his findings prompted other scientists to probe further into the mystery of heredity. Several researches were conducted after the rediscovery of Mendel’s work. Mendelian laws of inheritance have important exceptions to them. For example, not all genes show simple patterns of dominant and recessive alleles. In incomplete dominance , a heterozygote shows a phenotype that is intermediate between the two homozygous phenotypes.
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  • Fall '16
  • Mrs. Imelda P. Oruga
  • Genetics, Mendelian Inheritance

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