People To Know - Test 2

Question 1

Beasley and Tatum

Answer 1

Worked with Neurospora Crassa

came up with one gene one enzyme hypothesis

Question 2

Srb and Horowitz

Answer 2

Tested one gene one enzyme hypothesis

forced genetic mutations in moles and tested how well they grow on different supplements

Mutants were missing enzymes to catalyze certain reactions

Question 3

Kermit Ritland

Answer 3

identified mutation in spirit bears that causes pigment change

(melanicortin 1 subs a T for a C at codon 289)

Question 4

Eden Atwood

Answer 4

Has male chromosomes

Female body

No functional uterus or vagina

Internal testes

No androgen receptor protein so cells do not respond to testosterone

Question 5

Francois Jacob and Jack Monod

Answer 5

Investigated E. coli production of beta galactosidase with and without lactose present

Discovered operons model

Question 6

Elie Metchnikoff

Answer 6

hypothesized the positive role of bacteria

Question 7

Parminder Raina

Answer 7

Canada wide study of épigénie for 50000 Canadians