問題詳情
41.果蠅的灰身對黑身為顯性，紅眼對褐眼為顯性。一隻異型合子的灰身紅眼果蠅和一隻黑身褐眼果蠅交配，其子代如下：灰身紅眼 721 隻，黑身褐眼 751 隻，灰身褐眼 49 隻，黑身紅眼 45 隻。根據上述結果，下列敘述何者正確？
(A) 支配體色與眼色的二個基因是位於不同染色體
(B) 支配體色與眼色的二個基因是聯鎖在同一染色體
(C) 支配體色與眼色的二個基因之距離為 3 互換單位
(D) 支配體色與眼色的二個基因之距離為 6 互換單位
(E) 支配體色與眼色的二個基因之距離為 48 互換單位
(A) 支配體色與眼色的二個基因是位於不同染色體
(B) 支配體色與眼色的二個基因是聯鎖在同一染色體
(C) 支配體色與眼色的二個基因之距離為 3 互換單位
(D) 支配體色與眼色的二個基因之距離為 6 互換單位
(E) 支配體色與眼色的二個基因之距離為 48 互換單位
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