Biology, 15.04.2020 04:30 tlturner03
A plantlike organism on the planet Pandora can have three recessive genetic traits: bluish leaves, due to an allele (a) of gene A; a feathered stem, due to an allele (b) of gene B; and hollow roots due to an allele (c) of gene C. The three genes are linked and recombine as follows:.
A geneticist did a testcross with an organism that had been found to be heterozygous for the three recessive traits and she was able to identify progeny of the following phenotypic distribution (+ = wild type):.
Phenotypes Leaves Stems Roots Number
1 a + + 14
2 a + c 0
3 a b + 32
4 a b c 440
5 + b + 0
6 + b c 16
7 + + c 28
8 + + + 470
Total 1000
Which of the following are the phenotypes of the parents in this cross?
A) 9%
B) 6%
C) 4.4 %
D) 4.6 %
E) 3%
Answers: 2
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A plantlike organism on the planet Pandora can have three recessive genetic traits: bluish leaves, d...
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