Docstoc

Basic-genetics

Document Sample
Basic-genetics Powered By Docstoc
					FEMALE male A a

Female A AA aA

MALE a Aa aa Aa AA or Aa Aa or aa

Female A A male does not contribute this sex linked allele

We can keep track of numbers or frequencies - here we use numbers as an example FEMALE MALE generation AA Aa aa f(A) f(a) A 1 250 0 0 1 0

a 0 250

a a t contribute this sex linked allele

f(A) 0

f(a) 1

FEMALE male A a

Female A AA aA

a Aa aa

Female A A male does not contribute this sex linked allele

MALE

generation 1 2 3

FEMALE AA 250 0 125

Aa 0 250 125

aa 0 0 0

f(A) 1 0.5 0.75

f(a) 0 0.5 0.25

MALE A 0 250 125

a 250 0 125

a a t contribute this sex linked allele

f(A) 0 1 0.5

f(a) 1 0 0.5

FEMALE p q p+q=1 0.8 0.2 1 AA Aa aa sum

N individuals 200 20 30 250

MALE f(A) f(a) f(A)+f(a)=1 0.84 0.16 1

generation 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

FEMALE AA 250 0 125 93.75 117.1875 107.421875 112.792969 110.229492 111.541748 110.89325 111.219406 111.056805 111.138225 111.097544 111.117892 111.10772 111.112806 111.110263 111.111535 111.110899 111.111217 111.111058 111.111138 111.111098 111.111118

Aa 0 250 125 125 109.375 113.28125 110.351563 111.572266 110.900879 111.221313 111.057281 111.138344 111.097574 111.117899 111.107722 111.112807 111.110264 111.111535 111.110899 111.111217 111.111058 111.111138 111.111098 111.111118 111.111108

aa 0 0 0 31.25 23.4375 29.296875 26.8554688 28.1982422 27.557373 27.885437 27.7233124 27.8048515 27.7642012 27.7845562 27.7743861 27.779473 27.77693 27.7782016 27.7775658 27.7778837 27.7777248 27.7778043 27.7777645 27.7777844 27.7777745

f(A) 1 0.5 0.75 0.625 0.6875 0.65625 0.671875 0.6640625 0.66796875 0.66601563 0.66699219 0.66650391 0.66674805 0.66662598 0.66668701 0.66665649 0.66667175 0.66666412 0.66666794 0.66666603 0.66666698 0.66666651 0.66666675 0.66666663 0.66666669

f(a) 0 0.5 0.25 0.375 0.3125 0.34375 0.328125 0.3359375 0.33203125 0.33398438 0.33300781 0.33349609 0.33325195 0.33337402 0.33331299 0.33334351 0.33332825 0.33333588 0.33333206 0.33333397 0.33333302 0.33333349 0.33333325 0.33333337 0.33333331

MALE A 0 250 125 187.5 156.25 171.875 164.0625 167.96875 166.015625 166.992188 166.503906 166.748047 166.625977 166.687012 166.656494 166.671753 166.664124 166.667938 166.666031 166.666985 166.666508 166.666746 166.666627 166.666687 166.666657

a 250 0 125 62.5 93.75 78.125 85.9375 82.03125 83.984375 83.0078125 83.4960938 83.2519531 83.3740234 83.3129883 83.3435059 83.3282471 83.3358765 83.3320618 83.3339691 83.3330154 83.3334923 83.3332539 83.3333731 83.3333135 83.3333433

300

250

200

150

Series1 Series2

100

Series3

50

0 0 -50 5 10 15 20 25 30

-50

f(A) 0 1 0.5 0.75 0.625 0.6875 0.65625 0.671875 0.6640625 0.66796875 0.66601563 0.66699219 0.66650391 0.66674805 0.66662598 0.66668701 0.66665649 0.66667175 0.66666412 0.66666794 0.66666603 0.66666698 0.66666651 0.66666675 0.66666663

f(a) 1 0 0.5 0.25 0.375 0.3125 0.34375 0.328125 0.3359375 0.33203125 0.33398438 0.33300781 0.33349609 0.33325195 0.33337402 0.33331299 0.33334351 0.33332825 0.33333588 0.33333206 0.33333397 0.33333302 0.33333349 0.33333325 0.33333337

Series1 Series2 Series3


				
DOCUMENT INFO
Shared By:
Tags: Basic, -gene
Stats:
views:28
posted:11/28/2009
language:English
pages:8
Description: Basic-genetics