Transcript Rr SS or Ss yy

Genetics Vocabulary Review!!!
Trait
Dominant Gene
Recessive Gene
Body shape
Square (S)
Round (s)
Body color
Yellow (Y)
Blue (y)
Eye shape
Round (R)
Oval (r)
Nose style
Long (L)
Stubby (l)
1. Use the information for SpongeBob’s traits to write the
phenotype (physical appearance) for each item.
a.
b.
c.
d.
e.
f.
g.
h.
LL – long
yy – blue
Ss – square
RR – round
Rr – round
ll – stubby
ss – round
Yy - yellow
Trait
Dominant Gene
Recessive Gene
Body shape
Square (S)
Round (s)
Body color
Yellow (Y)
Blue (y)
Eye shape
Round (R)
Oval (r)
Nose style
Long (L)
Stubby (l)
2. Use the information in the chart above to write the
genotype(s) for each trait below.
a.
b.
c.
d.
e.
f.
g.
h.
Yellow body – YY or Yy
Round body – RR or Rr
Oval eyes – Rr
Long nose – LL or Ll
Stubby nose – ll
Round eyes – RR or Rr
Square body – SS or Ss
yy
Blue body -
3. Determine the phenotype for eaach
genotype using the information provided about
SpongeBob.
Yellow body color is dominant to blue.
yellow
YY ______________
yellow
Yy ______________
blue
yy ______________
Square shape is dominant to round.
Square
SS _______________
Square
Ss ________________
round
ss ________________
4. For each phenotype, give the genotype s that
are possible for Patrick.
A tall head (T) is dominant to short (t)
TT or Tt
Tall = ______________
tt
Short = ______________
TT
Hybrid tall = ______________
Pink body color (P) is dominant to yellow (p)
pp
Yellow body = _______________
PP or Pp
Pink body = ________________
PP
Purebred pink body = ________________