A polygenic character is controlled by two genes each with two alleles. How many possible genotypes are there?
回答 (4)
2010-04-08 4:58 pm
✔ 最佳答案
The correct answer would be 4. Assign the first gene A or the recessive expression a. The second gene B and b. Possible combinations are AB, Ab, aB and ab.
參考: Retired Biology teacher
2014-07-23 9:50 am
Please refer to IB BIology HL May 2004 Paper 1 MC 30 Time Zone 1
The Answer should be 9.
For example,
Gene 1: RR Rr rr
Gene 2: BB Bb bb
Therefore, totally 3 x 3 = 9 Genotypes.
The Answer should be 9.
For example,
Gene 1: RR Rr rr
Gene 2: BB Bb bb
Therefore, totally 3 x 3 = 9 Genotypes.
2016-04-10 4:51 pm
2016-03-14 12:42 pm
Second one is not clear.. Guess u r back after a long time.. R E B E L? I remember u..
2015-08-18 7:38 pm
This Site Might Help You.
RE:
A polygenic character is controlled by two genes each with two alleles. How many possible genotypes are there?
2, 4, 9 or 16?
RE:
A polygenic character is controlled by two genes each with two alleles. How many possible genotypes are there?
2, 4, 9 or 16?
參考: polygenic character controlled genes alleles genotypes there: https://shortly.im/Puntd
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