42.测得一被子植物胚乳细胞的基因型有RRrAAaDDd, RRraaaDDd, RRrAAaddd, RRraaaddd, rrrAAaddd, rrraaaDDd, rrrAAaDDd, rrraaaddd八种.并且各种数量相等.由此可推测.形成该胚乳细胞的父本.母本的基因型分别是 A.RrAaDd, RrAaDd B.rraadd, RrAaDd C.RrAaDd, rraadd D.RraaDd, rrAadd 查看更多

 

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测得一被子植物胚乳细胞的基因型有RrrAAaDDd、RrraaaDDd、RrrAAaddd、Rrraaaddd、rrrAAaddd、rrraaaDDd、rrrAAaDDd、rrraaaddd八种,并且各种数量相等。由此可推测,形成该胚乳细胞的父本、母本的基因型分别是


  1. A.
    RrAaDd、RrAaDd
  2. B.
    rraadd、RrAaDd
  3. C.
    RrAaDd、rraadd
  4. D.
    RraaDd、rrAadd

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测得一被子植物胚乳细胞的基因型有RRrAAaDDd,RRraaaDDd,RRrAAaddd,RRraaaddd,rrrAAaddd,rrraaaDDd,rrrAAaDDd,rrraaaddd八种,并且各种数量相等。由此可推测,形成该胚乳细胞的父本、母本的基因型分别是

[  ]

A.RrAaDd,RrAaDd

B.rraadd,RrAaDd

C.RrAaDd,rraadd

D.RraaDd,rrAadd

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测得一被子植物胚乳细胞的基因型有RrrAAaDDd、RrraaaDDd、RrrAAaddd、Rrraaaddd、rrrAAaddd、rrraaaDDd、rrrAAaDDd、rrraaaddd八种,并且各种数量相等。由此可推测,形成该胚乳细胞的父本、母本的基因型分别是

[  ]

A.RrAaDd、RrAaDd

B.rraadd、RrAaDd

C.RrAaDd、rraadd

D.RraaDd、rrAadd

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测得一被子植物胚乳细胞的基因型有RRrAAaDDd,RRraaaDDd,RRrAAaddd,RRraaaddd,rrrAAaddd,rrraaaDDd,rrrAAaDDd,rrraaaddd八种,并且各种数量相等。由此可推测,形成该胚乳细胞的父本、母本的基因型分别是

[  ]

A.RrAaDd,RrAaDd

B.rraadd,RrAaDd

C.RrAaDd,rraadd

D.RraaDd,rrAadd

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测得一被子植物胚乳细胞的基因型有RrrAAaDDd、RrraaaDDd、RrrAAaddd、Rrraaaddd、rrrAAaddd、rrraaaDDd、rrrAAaDDd、rrraaaddd八种,并且各种数量相等。由此可推测,形成该胚乳细胞的父本、母本的基因型分别是

[  ]

A.RrAaDd、RrAaDd

B.rraadd、RrAaDd

C.RrAaDd、rraadd

D.RraaDd、rrAadd

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