Lab experiment Biology term 3 : Genetics sample Rolling tongue earlobe Middle digital hair 1 N Y N 2 N Y Y 3 Y Y Y 4 Y Y N 5 Y Y N 6 Y Y N 7 N Y N 8 Y N N 9 N Y N 10 Y Y N 11 N Y N 12 Y Y N 13 Y Y N 14 N Y Y 15 N Y N 16 Y Y N 17 Y Y N 18 Y Y N 19 Y Y N 20 Y N Y 21 N N N 22 Y Y N 23 Y Y N 24 Y N N 25 Y Y N 26 Y N Y 27 Y Y Y 28 Y Y N 29 N Y N 30 N N Y 1. Rolling tongue i) R = yes = 20 ii) r = no = 10 2. earlobe
Lab experiment Biology term 3 : Genetics sampleRolling
tongueearlobeMiddle digital hair
1NYN
2NYY
3YYY
4YYN
5YYN
6YYN
7NYN
8YNN
9NYN
10YYN
11NYN
12YYN
13YYN
14NYY
15NYN
16YYN
17YYN
18YYN
19YYN
20YNY
21NNN
22YYN
23YYN
24YNN
25YYN
26YNY
27YYY
28YYN
29NYN
30NNY
1. Rolling tongue i) R = yes = 20ii) r = no = 102. earlobe i) e=
yes =24ii) E= no = 63. Middle digital hair I) M =yes =7II) M = no
=23Equation = P2 +2PQ+Q2= 1P2 = Dominant Q2= recessive2PQ=
heterozygous Rolling tonueQ =Q
2 = 0.16
(Homozygous Dominant) around the school =16%(Homozygous
recessisive) around the school = 33%(Heterozygous) around the
school = 48%
EarlobeQ =Q
2 = 0.304
(Homozygous Dominant)around the school =30.47%(Homozygous
recessisive) around the school = 20%(Heterozygous) around the
school = 49.34%
Middle digital hair Q =Q
2 = 0.015
(Homozygous Dominant)around the school =1.5%Homozygous
recessisive) around the school = 76.6%(Heterozygous) around the
school = 21.7%
