
0322 G7 生物周考
Quiz
•
Biology
•
7th Grade
•
Practice Problem
•
Medium
飛翔 少年
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24 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
豚鼠的毛色有黑色和白色兩種,若黑毛為顯性。一對黑毛的豚鼠親代生了六隻小豚鼠,其中一隻為白毛,若無突變,試問此對豚鼠親代的遺傳因子組合應為何?
AA×aa
Aa×Aa
AA×Aa
Aa×aa
2.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
影響豌豆種子顏色的遺傳因子有兩種型式,一種為顯性,使種子呈現黃色,以Y表示;另一種為隱性,使種子呈現綠色,以y表示。試問遺傳因子組合YY、Yy、yy的表現型分別為何?
3.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
已知黃色種子豌豆(Y)對綠色種子豌豆(y)為顯性,今賢良取兩株豌豆為親代互相授粉,其子代中黃色種子豌豆:綠色種子豌豆為1:1,則親代的遺傳因子組合應為下列何者?
4.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
子純取兩株高莖豌豆作遺傳實驗,其親代基因組合為Tt×tt,若子代的基因型有A種、表現型有B種,則A+B為多少?
5.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
小雯想要探究豌豆的遺傳,查詢資料後得知豌豆花顏色的性狀是由一對遺傳因子P和p控制,小雯將純品系的白花植株和紫花植株進行交配,結果子代都為紫花。則下列敘述何者正確?
6.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
附圖為一發芽番薯的示意圖,甲為番薯的塊根,乙、丙為塊根上不同的新芽。下列關於甲、乙、丙的敘述,何者最合理?
7.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
下列關於孟德爾遺傳法則的敘述,何者錯誤?
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