NATS 1675 Lecture Notes - Lecture 24: Sickle-Cell Disease, Earlobe, Haemophilia

• School: York University
• Department: Natural Science
• Course: NATS 1675
• Professor: Ruthanna Dyer

Document Summary

Check york twitter or webpage monday evening/tuesday morning. If the announcement is that 3903 is on strike, we will not have class that day even if the university is open; peggy is scheduled to teach and part of union. Cell division that results in four daughter cells. Nucleotides from a double helix structure; code for genes. Medi(cid:272)i(cid:374)e i(cid:374)flue(cid:374)(cid:272)ed the earl(cid:455) studies of heredit(cid:455) i(cid:374) a(cid:374) atte(cid:373)pt to i(cid:373)prove the hu(cid:373)a(cid:374) (cid:862)sto(cid:272)k(cid:863). This emphasis was linked to the social concept of eugenics: Promoting the birth of the best babies (positive) Preve(cid:374)ti(cid:374)g the tra(cid:374)s(cid:373)issio(cid:374) of (cid:862)(cid:271)ad(cid:863) ge(cid:374)es (cid:894)(cid:374)egative(cid:895) Eugenics was very popular social movement in early 20th century. These are observable characteristics that appear to be inherited. Some are controlled by the expression of a single gene others by a groups of genes. A trait may have two or more forms of expression. Metabolic traits are due to changes in enzymes required to carry out chemical reactions.