EVOLUTION
HARDY WEINBERG EQUILIBRIUM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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the alleles are dominant
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one parent must have been homozygous dominant
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the dominant parent was a heterozygote
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the alleles segregated randomly
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Detailed explanation-1: -So, the correct option is ‘dominant phenotype parent was heterozygous’
Detailed explanation-2: -This 1:1:1:1 phenotypic ratio is the classic Mendelian ratio for a test cross in which the alleles of the two genes assort independently into gametes (BbEe × bbee).
Detailed explanation-3: -What is a 1:1 phenotypic ratio? A 1:1 phenotypic ratio occurs when there are only two phenotype possibilities as outcomes when organisms are crossed and they both have a 50/50 chance of appearing.
Detailed explanation-4: -In the monohybrid cross, a testcross of a heterozygous individual resulted in a 1:1 ratio.
Detailed explanation-5: -On performing a test cross, 1:1 phenotypic ratio is obtained in the offspring; this indicates. No worries!