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(A) test cross is performed to determine the genotype of an organism showing a dominant phenotype. In a test cross,an organism with an unknown genotyp

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Genotype of $F_{1}$

Vedclass · Answer

(A) test cross is performed to determine the genotype of an organism showing a dominant phenotype. In a test cross,an organism with an unknown genotype (exhibiting a dominant trait) is crossed with a homozygous recessive individual. If the unknown organism is homozygous dominant,all offspring will show the dominant phenotype. If the unknown organism is heterozygous,the offspring will show a $1:1$ ratio of dominant and recessive phenotypes. Therefore,Mendel used the test cross to identify the genotype of $F_{1}$ individuals.

Mendel performed a test cross to determine the:

Similar Questions

Johann Mendel is considered a genius much ahead of his time, as he proposed the concept of "factors" (now called genes) based on the fact that . . . . . . .

$A$ human male is heterozygous for autosomal genes '$A$' and '$B$'. He is also hemizygous for the haemophilic gene '$h$'. What percentage of sperms will carry the '$abh$' genotype (in $\%$) (in $\%$)?

How can the results obtained in a Punnett square be expressed mathematically?

Which of the following can be used to determine the genotype of an offspring with a dominant phenotype?

State the reasons for Mendel's success.

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