Download
1 / 27
270 likes | 416 Views
Do Now: Some Blood Type Examples. What are the possible outcomes for the following pairs? A x AB AB x AB AB x O. This butterfly is quite literally half male and half female. It has a condition called bilateral gynandromorphism . A x AB. AB x AB. AB x O. Go Over Homework.
E N D
Do Now: Some Blood Type Examples What are the possible outcomes for the following pairs? A x AB AB x AB AB x O
This butterfly is quite literally half male and half female. It has a condition called bilateral gynandromorphism.
Sex-Linked Inheritance Page 7
Sex Linked Genes - Genes located on the sex chromosomes
Genes on the Sex Chromosomes Because males have just one X chromosome, each allele on that chromosome determines the phenotype A female that inherits a recessive allele on one X chromosome does not necessarily show the phenotype. ANY allele that a male inherits on its X chromosome is expressed, whether it is recessive or not.
Sex Linked Disorders Colorblindness – the inability to perceive the differences between some of the colors that others can distinguish
HEMOPHILIA Hereditary genetic disorder that impairs the body’s ability to control blood clotting 1/10,000 males 1/1,000,000 females Queen Victoria
Test for Colorblindness…what do you see??? You should see a faint brown boat
Test for Colorblindness…what do you see??? You should see a circle and a square
Page 8 – How to perform sex-linked disorder crosses Normal Male Affected Male Normal Female Affected Female Carrier Female
Do Now: Page 30 and 31 • Homework: • Page 401, 1 – 3 • Sign and correct quiz and test
