ใบงานที่ 6

ชือ่ -สกลุ ......................................................................................ช้นั ........................เลขที.่ ..................... ใบงานท่ี 6 เร่ือง การถ่ายทอดลกั ษณะทางพนั ธุกรรม1. ธนานาถั่วลันเตาฝักอวบแบบ homozygous dominant ผสมกับฝักแฟบแบบ homozygous recessive(A = ฝักอวบ, a = ฝักแฟบ) จงระบุอัตราส่วนต่างๆ ของ genotype และ phenotype ของรุ่นลูกท่ี 1 (F1)และรนุ่ ลูกท่ี 2 (F2)........................................................................................................ ................................................................................................................................................................................................... ......................................................................................................................................................................................... ................................................................................................................................... .............................................................................................................................................................................................................. .............................................................................................................................................................................. ............................................................................................................................................................................................................................................................................................................................................................ .............................................................................................................................................................................. ............................................................................................................................................................................................................................................................................................................................................................ .............................................................................................................................................................................. ...............................................................................................................................................................................................................................2. หากพ่อมีลักยิ้มแต่แม่ไม่มีลักยิ้ม จะมีรูปแบบคู่ยีนของพ่อแม่ได้ก่ีกรณี แต่ละกรณีมีโอกาสท่ีลูกจะมีลักย้ิมเป็นเท่าใด (D = ยีนเดน่ กาหนดลกั ษณะการมลี ักย้มิ และ d = ยีนด้อยกาหนดลกั ษณะการไม่มลี ักยม้ิ )............................................................................................................................. ...................................................................................................................................................................................... .................................................................................................................................. .................................................................................................................................................................................................................. .............................................................................................................................................................................. ............................................................................................................................................................................................................................................................................................................................................................ .............................................................................................................................................................................. ............................................................................................................................................................................................................................................................................................................................................................ ............................................................................................................................................................................ .............................................................................................................................................................................................................................

3. ยา่ แย้มถกู แทงขา้ งหลงั ทุละถึงหวั ใจ ถา้ ยา่ แยม้ มเี ลือดหมู่ AB จะสามารถรับเลอื ดหมใู่ ดได้บ้าง....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................4. อัมพรมีเลือดหมู่ AB อ้างว่ามีลูกกับประยงค์คือ ยงยุทธ์ โดยยงยุทธ์มีหมู่เลือด A และประยงค์มีเลือดหมู่ Oจงพสิ จู น์หาความจรงิ ว่ามโี อกาสเปน็ ไปได้หรอื ไม่..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................5. แมแ่ ละลูกมหี มเู่ ลอื ด O ชายทีถ่ ูกกล่าวหาวา่ เป็นพ่อ มีหมู่เลือด AB สมามารถมโี อกาสเปน็ ไปไดห้ รือไม่....................................................................................................................................................................................................................................................................................................................................................... ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ ...........................................................................................................................................................................................................................................................................................................................................................................