inherited/congenital 2

Question 1

hox genes

Answer 1

evolutionary. important transcription factors in various developmental processes.
head-to-tail organiation

Question 2

crouzon syndrome

Answer 2

mutations in fibroblast growth factor receptor 2.

protein signals immature cells to become bone cells. = skull bones fuse prematurely.

Question 3

4 factors in teratogenicity

Answer 3

time - age of fetus
dosage
the genotype of fetus
genotype of mother.