10/16 Flashcards
what is the modified mendelian ratio
9:3:4
developmental/recessive epistasis
no pigment deposition on hairs
The homozygous R is associated with the non-functional protein, this causes
blocks in the biochemical pathways
its not just about the organism expressing the homozygous recessive trait, its that the homozygous recessive genotype does what
blocks the biochemical pathway that produces the dominant trait. its all about function v non-functioning.
if the biochemical pathway doesn’t function, the ___
product isn’t produced
is it possible to still have a functioning enzyme even if nothing is produced in its previous biochemical step?
yes, it just won’t be functioning because there will be no intermediate for it to interact with
recessive isn’t not normal, its just __
different
what are the differences in a signaling pathway and a biochemical pathway
cell signaling directly affects a biochemical pathway
cell signaling is when information is sent to a cell which the cell then sends to a __
gene
the gene then uses the signal from the cell to produce its __ (product)
protein
most genetic changes occur in
Embryology
melanocytes are
surface cells
regulatory mutations are mutations in genes and products of those genes that
affect other genes
T/F: an example of regulatory gene is the following: the product of Gene A is the control switch for gene B
True
changes in __ can causes changes within the cell
enzymes
