年級

問題的種類

英文 國中

為什麼這兩張圖是一樣的?還有這題要怎麼判斷?

(33.~35.) People in Taiwan never worry about getting hungry at night when there is nothing at home. They can walk to the convenience stores and get anything they I want. In fact, in Taiwan, it is not possible that people fail to find a convenience store because it is part of our life. Convenience stores are working 24/7. In other words, finding a place to sit down and take a rest anytime is a piece of cake. In order to grow business, shopkeepers use some smart ways to have the buyers spend more. First, they put the most popular items at the buyers'eye level to let them see the items easily and often. Second, they drive the buyers to buy something cheap and small without thinking too much or give shoppers a special offer like "Buy One And Get One Free.” Third, they try to have the buyers stay at the convenience stores as long as possible by setting up a seating area. They think the buyers will buy one drink after another once they stay longer. In a study, 73 teenagers answer two of the questions. The pictures below show their interesting answers. Which of the following do you like? The taste of the foods. The service. 146 (63%) 132 (43.8%) The prices of the products. |12 (16.4%) The feelings in the convenience stores. 121 (28.8%) The polite clerks. 16(8.2%) The special offer. 14(19.2%) The way of showing the products. 21 (28.8%) 0 10 20 50 30 40 Which of the following do you like? The taste of the foods. The service. The prices of the products. The feelings in the convenience stores. The polite clerks. The special offer. The way of showing the products, 0 118(24.7%) 11(15.1%) 140(54.8%) 18(11%) 129 (39.7%) 19(12.3%) 17(9.6%) 10 20 30 40 50 convenience store 便利商店 level 高度 offer 優惠 result 結果 product 商品

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生物 高中

請問3(1.)為什麼不是選C的原因是因為題目說互換的東西是基因而不是生殖母細胞嗎?謝謝

As 列問題。. 親代(F)的基因組合為 VVbbxvvBB,且此兩對等位基因位於同一條染色體上 (1)若F自交所產生的F2中出現哪種基因型,即可確定F1所產生的生殖細胞中,有出現基因互換的情況? (A)VVBb (B) VVBb (C) vvBB (D) VVbb。 (2)承第(1)題,若基因V與B間的重組率為10%,且已知V代表長翅基因,v代表短翅基因,B代表灰身基因 ,b代表黑身基因,則Fi與短翅黑身果蠅進行試交後,其F2出現長翅黑身的機會為何? (A) 1%(月) 5% (C)10% (D)45%。 100 3. 黑身(b) 短翅(v)為果蠅的兩個隱性突變,且控制兩種性狀的基因在同一條染色體上。若親代為黑身長翅 (bbVV)及灰身短翅(BBvv),產生的第一子代與黑身短翅者進行試交,所觀察的1000個第二子代的表現型及數 目為灰身長翅89隻、黑身短翅81隻、灰身短翅425隻、黑身長翅405隻。請回答下列問題: B.C )(1)第二子代基因發生互換的機率為何? (A)8.5% (B)17% (C)34% (D)83% 1)(2)第二子代最多可產生幾種不同配子? (A)1 (B)2 (C)3 (D)4。 。 81+89 = 170. 1000:17% 1772=34(97 405+425+81+89 4. 附圖為一遺傳譜系,其中斜線表示紅綠色盲,空白表示正常,灰色表示未知,ABO表示血型。○為女性, 為男性。 造成紅綠色盲的基因g為隱性,其正常的等位基因為G。試回答下列問題: 77/10 1: Go I

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