Content :

Heredity: Inheritance and Variation [Gr.9]

 Haploid number of chromosomes in gametes [Gr.9]
 Location of genes in chromosomes [Gr.9]
 Restoration of the diploid number of chromosomes in the offspring through fertilization [Gr.9]
 Expression of the genetic information as physical traits in the offspring [Gr.9]

Content Standards :

demonstrates understanding of

that genetic information is organized in genes on chromosomes
 that traits of an organism are transmitted to the offspring through the genes found in chromosomes.

Performance Standards :

 illustrates how traits of economically important plants and animals are improved through breeding

Learning Competencies :

 explains how fertilization produces a diploid zygote out of haploid gametes
 describes the location of genes in chromosomes
 summarizes the process of reproduction using a concept map