14. II III IV a) The pedigree above shows the passing on of colorblindness. What sex is MOST likely to be carriers of colorblindness? b) Why does individual IV-7 (a female) have colorblindness? c) Why do all the daughters in generation II carry the colorblind gene? d) List two th generation colorblind males. 15. Explain sex linked inheritance with examples. 16. Explain what happens during these following sicknesses and why it happens? i) Sickle cell anemia i Hemophilia 17. What do you understand by the term "Multiple Alleles"? Define the followings: Trait true breeding cross P generation F1 generation monohybrid cross F2 generation dominant recessive law of segregation genotype phenotype homozygous heterozygous test cross dihybrid cross law of independent assortment pedigree autosomal recessive Punnett square autosomal inheritance autosomal dominant 4

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A:

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Inheritance and Mendelian Genetics

Inheritance means the passing of traits to offspring from parents. These traits could be passed either through asexual reproduction or sexual reproduction. The offspring receives the genetic material from the parents. Mendelian inheritance is a certain biological inheritance that follows the rules and principles laid down by Gregor Mendel in 1865. The initial hypothesis was considered wrong, but other inheritance theories modified the concept of inheritance and thus genetics.