Different Types of Crosses Incomplete Codominance Sex-linked
Review: Simple Mendelian Crosses Monohybrid Dihybrid
Incomplete Dominance Neither allele is dominant. The heterozygous is a MIX of the two genes.
# 1. Heterozygous parents.
# 1. Heterozygous parents.
Co-dominance Both genes are dominant. The heterozygous is BOTH. Notice that BOTH letters are used in upper case!
#2. Mother with dominant red scales x with father with dominant yellow scales. What would a heterozygous child look like? Oh, this is a snake.
Sex-linked Traits The gene is located on either a part of the Y or X chromosomes that do not overlap with each other. Example: Hemophilia
Sex-linked Traits The gene is located on either a part of the Y or X chromosomes that do not overlap with each other. Example: Hemophilia
Incomplete Dominance and Codominance Interactive Website http://www2.edc.org/weblabs/incompletedom/incompletedominance.html