
7.2.1 基因控制生物的性狀
Authored by 林嘉明 LAM KA MENG
Biology
9th Grade
Used 2+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列屬於相對性狀的是
菊花的黃花和綠葉
番茄的紅果與圓果
貓的白毛與黑毛
水稻的高稈和抗銹病
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
科學家把人的胰島素基因轉入到大腸桿菌中,由此獲得治療糖尿病的藥物即胰島素。這說明( )。
生物的性狀由基因控制
生物的性狀受環境影響
基因存在於細胞核
DNA 由基因組成
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列屬於相對性狀的是( )。
狗的短毛和直毛
人的 A 型血和 B 型血
玉米的黃粒和圓粒
小麥的抗病和不抗倒伏
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
生物能保持物種性狀相對穩定,這是因為生物具有( )。
遺傳的特性
變異的特性
進化的特性
自然選擇的特性
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列性狀的出現主要受環境影響的是( )。
小白鼠生出轉基因超級鼠
經常曬太陽使皮膚變得較黑
雙眼皮的父母生出單眼皮的小孩
紅果番茄的植株上結出黃果番茄
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
普通小鼠的受精卵接受大鼠生長激素基因後,發育成為轉基因超級鼠。這個事例說明 ( )
A. 生物具有遺傳現象
B. 生物具變異現象
C. 基因控制性狀
D. 生物的性狀多種多樣
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
小明同學,男,身高 1.70m,體重 60kg,血型 B 型。在生物學上小明的這些形態特徵和生理特性稱為 ( )
基因
遺傳
變異
性狀
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