【正文】
個(gè)患色盲的孩子,則他們下胎生兒子患色盲的概率為 ,生女兒患色盲的概率為 。 1/4 1/4 1/2 0 思考:兩題的概率為何不一樣? 伴性遺傳概念 位于 性染色體 上基因所控制的性狀的遺傳常常與 _____相關(guān)聯(lián) 性別 紅 綠 色 盲 It is Chrismas bought my mother a pair of “grey socks”. Dalton:Mum,it is for you. Mum:Oh,my god!The cherry red socks you bought me are so colorful that I could not wear them! I was thought the socks were clearly grey,why did mum say cherry red?So I asked my bother and people the people,except my brother and I,said those socks were cherry ,I found my brother and I had a different sense of called the disease”color blindness”.I was the first person who found the dis