module B3 revision part 3
Genetic disorders 3
Sex Chromosomes and Linked Genes A normal human cell (autosome) contains 46 chromosomes. 22 pairs of regular chromosomes and one pair of sex chromosomes.
General Genetics Ayesha M. Khan Spring 2013 1. X-Linked Characteristics X-linked color blindness in humans Light detecting cells: ◦Rods – See in shades.
Sex-Linked Traits
Heridity
X-Linked Inheritance X-linked recessive disorders Responsible gene on X chromosomeResponsible gene on X chromosome For females, both copies of the X chromosome.
LECTURE OUTLINE Cell Structure & Function DNA Replication Protein Synthesis Mutations Simple Inheritance Genetic Disorders.
SEX-LINKED TRAITS. Karyotype: a picture of chromosomes.
Genetic Disorders, Pedigrees, and Advances in Genetics.
NonMendelian Inheritance Patterns There are other patterns of inheritance that do not follow Mendel’s Principles. Be sure you recognize what is different.
Non-Mendelian Genetics: Genetics that don’t follow Mendel’s laws.
