Genetics Review
Dec 30, 2015
Genetics Review
2/18 Warm-upSet up Dihybrid Cross with these parents:
-BbTt X BbTT
The physical appearance of an organism, is the organism’s………
Phenotype
In Guinea pigs rough hair (R) is dominant of smooth (r). Cross a hybrid for rough hair and a purebred with smooth. What would the cross look like?
Rr X rr
Gregor Mendel• Father of genetics• Studied
inheritance in PEA PLANTS
P=Purplep=White
PpWhat is the Phenotype?
Purple
White
What is the Genotype?
pp
Phenotypic Ratio?
2:2Yellow:Green
TD, tD
A woman who is heterozygous Tongue Roller (Tt) and Homozygous for Dimples (DD).
What are the possible gametes?
RRyy
9:3:3:1Phenotypic Ratio?
PPP