1. Science
  2. Biology
  3. back story the parental generation p is the first set...

Question: back story the parental generation p is the first set...

Question details

Back story: The parental generation (P) is the first set of parents crossed. The F1 (first filial) generation consists of all the offspring from the parents. You learned about The Law of Segregation as well as The Law of Independent Assortment..

Part l: Genes come in different alleles. A dominant allele hides a recessive allele and determines the organism's appearance. A Punnett square is a useful tool for predicting genotypes (allele combinations) and phenotypes (observable traits) of offspring from genetic crosses involving Mendelian traits. Create a punnet square for the parents who are heterozygous. What would be the genotypic ratios be? What are the phenotypic ratios of: AA, Aa, Aa, aa? Please give the ratios in this format: 9:3:3:1 (this is just an example). Explain why they are the same or different.

Part ll: This section is to provoke some critical thinking and add some real-life application. Use the same cross in part I and give examples of how Mendellian genetics has improved everyday life or certain industries/business. Give an example labelling ‘A’ and ‘a’ and how knowing an organism or human’s genotype can help us make decisions or improve our lives in some way.

Solution by an expert tutor
Blurred Solution
This question has been solved
Subscribe to see this solution