OBJECTIVE LIFE SCIENCE
GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The gene pair Tt is a phenotype.
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True
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False
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False, it is a genotype.
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None of the above
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Explanation:
Detailed explanation-1: -When cross takes place between Tt and tt two different types of alleles are form, Tt X tt = Tt, Tt, tt, and tt. The genotypic ratio for this cross is 1:1 and the phenotypic ratio is 1:1, where Tt is heterozygous dominant and tt is heterozygous recessive. This type of cross is a test cross.
Detailed explanation-2: -The notation Tt means the heterozygous condition in genetics. In this condition a homologous pair contains different alleles of a gene. One homologous chromosome possesses the recessive allele and the other chromosome possesses the dominant allele present for a gene.
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