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Students simulate the genetic modification of an organism to produce a desired trait. Students are then introduced to the unit through reading about genetically engineered cats.
Students compare and contrast humans and cats using structure and function and adaptations and then explore similarities and differences in their DNA and number of chromosomes.
Using observations and inferences as clues, students will decipher common cat diseases and disorders and hypothesize possible illnesses that Sparky may have.
Students use the results of a complete blood count (CBC) test to diagnose Sparky.
Students practice recording accurate data and analyzing results while performing a urine test for Sparky.
Students learn about feline acne and explore possible treatments. To draw conclusions about the best solution, students must administer and analyze the results of a ‘pregnancy test’ for Sparky.
Students hypothesize who the father of Sparky’s kittens may be using biological information while discovering the role of gel electrophoresis in DNA testing.
Student will learn how DNA is separated into a fingerprint by using a chromatography activity to simulate gel electrophoresis.
The class will analyze DNA fingerprints to determine the identity of the kittens’ father.
Students gain knowledge of genetic terms (trait, allele, genotype, phenotype, homozygous, heterozygous, dominant, recessive) and determine several personal single-gene traits in this optional lesson.
Students will use parent genotypes to determine the kittens’ phenotypes.
Students build a scientific model of their kittens’ chromosomes using cookie ingredients to show the pairing of chromosomes and common mutations (deletion, duplication, insertion, translocation).
Students use dominant and recessive traits to determine the physical traits of their kittens and build a model of the kitten.
Students discover how and why organisms adapt through natural selection by exploring cat adaptations.
Students will consider desired traits for cats and determine how a breeder might combine different breeds to achieve those traits.
Students learn the process of genetic modification with the use of recombinant DNA technology to produce insulin.
Students are introduced to biotechnology using a timeline.
Students will consider ethical issues related to biotechnology and medicine and use data to support their opinions.