Chapter 4: Modification of Mendelian Ratios Allele *Wild-type allele *Mutant allele Conventional symbols for alleles: recessive allele- initial letter.
How do we account for genetic variation? *Independent assortment *Crossing over *Random fertilization Independent Assortment: Cross over:
Genes on the X Chromosome:
Sex Linkage
Chapter 4: Modification of Mendelian Ratios
