basics of the genetics

The worksheet has exercises to build knowledge on basics of the genetics. Watching the videos is required to be able to complete the exercises. science Description Worksheet for Laboratory 7: Genetics (The worksheet has exercises to build knowledge on basics of the genetics. Watching the videos is required to be able to complete the exercises. Besides, the exercise also demands other theoretical and practical knowledge from your lab manual and PowerPoint notes) Activity 1: Monohybrid Cross Monohybrid cross represents the Mendelian experiment of genetic cross between two individuals involving inheritance of a trait (one gene). A gene is made of two alleles, so we are talking about four alleles in these types of monohybrid crosses. Watch the short video below explaining the experiment on a monohybrid cross for flower color of plants and complete the following exercises. NOTE: To complete the exercises below, along with the information from the video, you will need to understand the concepts of genotypes, phenotypes, homozygous gene, heterozygous gene, dominant and recessive alleles, Punnett’s square. Please study the lab manual and resources given in the PowerPoint notes before you attempt the exercise. https://www.youtube.com/watch?v=Lsj-Ij53CkA&ab_channel=TED-Ed 1. What are true breeds or pure breeds? (0.5 points) 2. Draw a Punnett square to show the cross between homozygous dominant and homozygous recessive flowers. Purple color (P) is the dominant and white (p) is the recessive allele. Interpret the results of the cross in terms of genotypic and phenotypic ratios of the offspring produced. (1 point) Now, make a cross between the hybrid offspring (Pp) flowers and interpret the result in terms of genotypic and phenotypic ratios of the offspring produced.

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