20 Генетика количественных признаков
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. . 14.
. . . . 2- ., ., ., – : , 2011. –134 .
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. . 14.
. . . . 2- ., ., ., – : , 2011. –134 .
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21.4. , -
[1].
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( 21.4).
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3,4%, – 5,6%,
F1 – 4,4%.
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. . 14.
. . . . 2- ., ., ., – : , 2011. –134 .
14
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,
F1
30
25
20
15
10
5
0
40 42 44 46 48 50 52 54 56 58 60 62 66 68
,
, %
, %
F1 x M
30
25 |
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20 |
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, |
30 |
F1 x N |
|
25
20
15
10
5
0
40 42 44 46 48 50 52 54 56 58 60 62 66 68
,
21.5. « »
(M – ; N – ,
) [7].
-
.
.
(F1 ) -
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
. . 14.
. . . . 2- ., ., ., – : , 2011. –134 .
15
4,0%, (F1
) – 4,8% [1].
« » -
( 21.5).
.
21.2. -
, -
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).
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:
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( i). -
( ) ( ):
i – = |
(1) |
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(G) -
(E):
=G+E , |
(2) |
- |
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P= +gi+ej. |
(3) |
, – ; gi –
; ej – ,
. G
G= +gi |
(4) |
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3 : (A), |
- |
(D) (I),
( – )
[6, . 201]:
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
. . 14.
. . . . 2- ., ., ., – : , 2011. –134 .
16 |
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G=A+D+I, |
(5) |
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[ . 6, .201]
( 2) -
2 : |
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2 = 2G + 2E |
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2 – ; 2G – -
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2 . -
-
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2G
. : -
– 2A; ,
– 2D; ,
( – ) 2I:
2G = 2A + 2D + 2I |
(7) |
.
21.2.1.
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––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
. . 14.
. . . . 2- ., ., ., – : , 2011. –134 .
17
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21.2.2.
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21.2.3.
2I .
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. . 14.
. . . . 2- ., ., ., – : , 2011. –134 .
18
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. . 14.
. . . . 2- ., ., ., – : , 2011. –134 .
19
,
(h2).
-
.
21.3.2.
(h2) – ,
. -
, -
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.
21.3.2.1.
h2 :
2
h2 G (8)
P2
h2 +1.
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h2 = 1 , -
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h2 ,
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h2, -
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h2>0,3 .
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. . 14.
. . . . 2- ., ., ., – : , 2011. –134 .
20
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–, ,
h2 ( : h2=55– 66%; : h2=70%; -
: h2=35–40%).
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-
, . h2 = 2A / 2P.
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-
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––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
. . 14.
. . . . 2- ., ., ., – : , 2011. –134 .