Sexual Reproduction and Meiosis
In this biology worksheet, 9th graders create one chromosome using a red plasticine and another using blue plasticine. Then they illustrate different ways of crossing over, including double crossovers. Students also explain genetic variability.
9th Science 17 Views 49 Downloads
Dragon Genetics ~ Independent Assortment and Genetic Linkage
Imagine a pair of dragons that produce offspring and determine the percentage of the hatchlings have wings and large antlers. This fantastic activity draws genetics learners in, introduces them to alleles, meiosis, phenotypes, genotypes,...
9th - Higher Ed Science
Punnett Squares with Piebald Deer
Explore the science behind Earth's amazing diversity of life with this lesson on genetics. Looking at specific traits in piebald deer, carnations, and roan cattle, young scientists use Punnett squares to determine the possible genotypes...
5th - 10th Math CCSS: Adaptable
Dragon Genetics - Understanding Inheritance
Juvenile geneticists will jive with this imaginative investigation of inheritance in dragons. Six pages begin with a detailed introduction to meiosis and homologous chromosome pairs. Instructions guide learners through a simulation in...
7th - 12th Science
Proposed Treatment to Fix Genetic Diseases Raises Ethical Issues
Should genetic scientists be permitted to alter mtDNA to eliminate birth defects? That is the question examined in Rob Stein's article for NPR that explores the ethical issues raised by this research.
7th - 12th Science CCSS: Adaptable
How Mendel's Pea Plants Helped Us Understand Genetics
A brief animation introduces heredity to your beginning biologists. They will meet Gregor Mendel's green and yellow peas, dominant and recessive traits, homozygous and heterozygous alleles, and Punnett squares. In this cartoon animation,...
3 mins 7th - 9th Science CCSS: Adaptable