Originally posted by 紅唇娃 at 2005-3-20 06:54 PM:
色盲係咪recessive先?=.=
Genotype都唔齊,點答?
Originally posted by SusanCrystal at 2005-3-20 10:28 PM:
佢suppose你知道色盲嘅遺傳定律?
好似聽過下個規律, but唔記得lu~
Originally posted by 紅唇娃 at 2005-3-21 07:07 PM:
genotype即係D BB/ Bb/ bb呢類野。
Originally posted by 小耀 at 2005-3-22 02:46 PM:
題目已完全地更正,並與本人的mock卷一模一樣了...
答案係B同C...
正確解釋倒的...話你勁[E-TeH]
Originally posted by 小耀 at 2005-3-21 10:08:
色盲係隱性的...
並存在於X染色體...
所以,女性XX:患色盲係1/4的機會;而男性XY:患色盲係1/2的機會...
變o左我就揀B(即佢個仔有色盲)了...其實,其他果D都有機會的嗎...
第2題度...淨係知麗詩色盲...點知佢阿 ...
Originally posted by 紅唇娃 at 2005-4-28 19:46:
勁喎! 咁都知ge?
Originally posted by 域 at 2005-4-29 01:15 PM:
正常中五課程....冇咩勁
唔識點考會考= ="
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