Meiosis and Inheritance Patterns

1
Meiosis and Inheritance Patterns

• Concept 10.3
• Concept 10.4

2
Chromosome Theory of Inheritance

• Genes are located on chromosomes.
• Behavior of chromosomes during meiosis and
  fertilization account for inheritance patterns.

3
Linkage and Crossing Over

• Alleles inherited together is a genetic linkage.
• Alleles cross over during meiosis.

4
Sex-Linked Genes

• A gene carried on a sex chromosome.
• Mostly carried on the X chromosome and not the Y.
• Males XY Females XX

5
Sex-Linked Disorders

• Male doesnt have a gene to mask the effects.
• Colorblindness
• Hemophilia