Introduction

Patterns of inheritance occur because of the specific genes transmitted through reproduction. These patterns are established based on the Dominance or Recessiveness of a particular trait. The traits or alleles appear on either Sex Chromosomes or Autosomal Chromosomes. The expression of genes for certain diseases may result in the child being a carrier for the condition, or being affected by the disease.

Definitions

Allele: Alternative versions of a gene that produce disinguishable phenotypic effects.

Autosome: A chromosome that is not directly involved in determining sex, as opposed to a sex chromosome.

Chromosome: A threadlike, gene-carrying structure found in the nucleus. Each chromosome consists of one very long DNS molecule and associated ptroteins.

Codominance: The situation in which the phenotypes of both alleles are exhibited in the heterozygote.

DNA - Deoxyribonucleic Acid: A double-stranded, helical nucleic acid molecule capable of......

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Title: Inheritance
Approximate Word Count: 1300
Approximate Pages: 6 (250 words per double-spaced page)

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