PunnettSquarePracticePage
Directions: CompleteeachPunnettSquareand answerthe q
1. Flowercolor
a. Purpleis dominant(P)
b. White is recessive(p)
c. A PP fatherand a PP mother
PP
P ?P PP
P PP PP
d . Whatcolor(s)arethe parents?PUrpt<,
e . Whatcolor(s)arethechildren?
purrprg
2. Seedcolor
a. Yellow is dominant(Y)
b. Greenis recessive(y)
c. A yy fatherand a yy mother
\iJ
LJ
d. What color(s)are the parents?Q*.a
e. What color(s) are the children?Gr*en
a
J.
Seedshape
a. Round is dominant(R)
b. Wrinkled is recessive(r)
c. An RR fatherand an rr mother
R Kn
I-
R, R'
(
R, R.
d. What shape(s)are the parents?(O,nc\
e . What shape(s)are the children? (u.nd
4 . Pod color
a. Greenis dominant(G)
(g)
b. Yellow is recessive
c. A Gs father anda GG mother
E
q
d. What color(s)are the parents?Q1"a.n
e. What color(s)arethe children?Qr.Evr
5 . Pod shape
a. Smoothis dominant(S)
(s)
b. Bumpy is recessive
c. A Ss fatherand a ss mother
s
S
S.
S,
SS
SS
arethe parents?Fo+ner tS E nnoO*t', Mqd\Cr r\ nutmf f
d. Whatshape(s)
.oc,,.,n,pg
arethe children?
e . what shape(s)
I o.* Srq,r_rnr, J ...re
6 . Flower position
a. Along stemis dominant(A)
b. At tiP is recessive(a)
c. An Aa fatherand an Aa mother &
A
(L
I\A
HE
fta
AG
G\Log'+n€ Sk- wr
d. What flower position(s)arethe parents?Bo*r
-he
1 ^+ +1\€
e. What flower position(s)arethe children? 3- o\on{ skrct
Plant height
a. Tall is dominant(T)
(t)
b. Shortis recessive
?T
?- T
T TT
TT
Tt
Tt
t
-f -T
What is the genotypeof the missingparent?
c\\t
d. What arethe phenotypesof the parents? bo+-tr
-Ict'
\
e . What arethe phenotypesof the children? H
L ,.
8 . Chin cleft in humans
a. Chin cleft is dominant(C)
(c)
b. No chin cleft is recessive
t
\,
c
o
Cc
Cc
2
cc
cc
L
1e.-\ \
/\
Lc
c. What is the genotypeof the missingparent?
of
d. what arethephenotvpes
ini ' fJc c ie{t
'#;;;"J;t
e. What arethe pt'."otypes of the children?;'
9 . Fur color in rabbits
a. Black fur is dominant(B)
b. White fur is recessive(b)
o
D
2
b
(.\fct
'
B
Bb
B
Bb
Bb
Bb
A $c
C\et+
c. Whatis the genotypeof themissingparent?bb
of the parents?B\Cti< ' \,tv\*{d. Whatarethe phenotypes
of the children?p i1 + c\{- ?-fCrC(e. Whatarethe phenotypes
10.Dimplesirn rNrnans
.\
,mpIes-ane$omi nant (D)
a. Dir
b. Nor dimplesislsqsive (d)
?'4
c]
.V DD
dD
D Dd
dd
t?
hat is the gego{Pe of the missr-r
Wha
hat areldphenotYPes of the Pa ents'd . Wha
of the ch ldren?
halKethe phenotYPes
e . Wha
\h \s onq
c\tArr*
v..J0l
[-i.
I L Whiskersin seals
a. Long whiskersaredominant(W)
b. Shortwhiskersarerecessive
(w)
()
W
2
W
ww
ww
w
ww
ww
What is the genotypeof the missingparent?V,lW
d. What are the phenotypesof the parents?\6nCi tllhSXgcs
e . What are the phenotypesof the children? ldq .ov\\SKe<S
t,.
12.Purplepeopleeaterhorns
a, One horn is dominant(H)
b . No hornsarerecessive(h)
I
h
hh
h
hh
I
hh
hh
h
h
Whatis thegenotype
of themissingparent?h h
d. Whatarethe phenotypes
of theparents?No h<lrnS
Whatarethephenotypes
of thechildren?p,o ho<ns
\,.
Incompletedominancein snapdragons
(hint: look at your notes)
a. Red flowers are dominant(R)
b. White flowersarerecessive(r)
An Rr father and an Rr mother
d. whd olor(s)arethe parents?
e . What c .or(s)are the children?
14. Codominancein h
blood (hint: look at you
a. TypesA andB
dominant(A, B)
b. Type O is recessiv 9)
c. An OA father and an
mother
d. What arethe blood typesof
ildren?
15.Hair color in humans(hint: loo t your notes
a. Dark hair is dominant
b. Light hair is recessi (d)
c. A Dd fatherand
mother
d . What color/air do the parentshave?
e . What coloy'hairdo the childrenhave?
f. Is thereonly one genethat affectshair color in humans?
g
What besidesgenesinfluencestraits?
t>'