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- Grade Range
- 3rd - 4th
- Rating
Students see how patterns can reveal events of the past, thereby merging elements of both experimental and historical science. Full Review »
- Grade Range
- 8th - 12th
- Rating
Students study DeoxyriboNucleic Acid or commonly known as DNA and discover importance of DNA strand, chromosomes, and genes. Full Review »
- Grade Range
- 8th
- Rating
Students interpret the genotypes and phenotypes, then pair up chromosomes. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students examine the difference between mitosis and meiosis, and describe the steps involved in meiosis and the significance of each step. They create a diploid nucleus containing two pairs of chromosomes using clay. Full Review »
- Grade Range
- 7th
- Rating
Students study basic human genetics while discussing the number of chromosomes in body cells. They discuss the concepts of dominant and recessive alleles. They determine if they have a dominant allele for the tongue-rolling gene. Full Review »
- Grade Range
- 7th - 12th
- Rating
Students compare three sets of unlabeled human chromosomes and gather related data, trace chromosomes to pair them, and make observations about them. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students comprehend that karyotyping is a process in which chromosomes are cut from an enlarged picture and arranged in decreasing order of size. The cells to be viewed are first chemically treated to increase the number of dividing white blood cells and then treated with colchicines to stop mitotic division during anaphase. Lastly, the cells are burst open, stained and fixed. The slide is examined for well spread chromosomes, photographed, and karyotyped. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students identify chromosome pairs based upon band patterns and location of centromere. They order chromosome pairs based upon size. Students differentiate normal karyotypes from abnormal karyotypes. They correctly record karyotype information using correct notation. Full Review »
- Grade Range
- 9th - 10th
- Rating
Students explain the role of sex chromosomes in sex determination and how sex linkage affects the inheritance of traits. They explain the effect of crossing-over on the inheritance of genes in linkage and summarize the procedure involved in constructing a chromosome map. Finally, students distinguish between chromosome mutations and gene mutations. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students complete a review worksheet individually. Next, they read the next chapter in their science textbook about chromosomes and complete an activity with a partner. To end the lesson, they are introduced to the concept of how cells reproduce. Full Review »
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