BIO 111 Lecture Notes - Lecture 2: Mendelian Inheritance, Blending Inheritance, Gamete
12 Feb 2018
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Document Summary
Bio 111 - lecture #2 - mendelian genetics. Through the blending inheritance, the determinants change over time. To gain the most understanding of inheritance, pigeons of different kinds were bred together. Gregor mendel (1822-1884), an educated monk and scientist/mathematician studied physical characteristics of peas. Pure/true breeding stock: same offspring can be produced after generations of reproduction and breeding. Parenting lines. they very first, used to breed generations. Basic experiment: obtained the same results with crosses involving all seven plant characteristics. Fast generation time (multiple generations per year) Ability to remove pollen for a directed cross. Expressed in upper case letters: recessive allele. Expressed in lower case letters: the determinate that is not seen for a generation can return in a future generation, unchanged. Law of independent assortment: the alleles are independent when they have 4 gametes. Gametes are generated by a rryy dihybrid when they genes are on different chromosomes.
