Choose the given statement is true/false:

Is it true if the alleles of a gene are different, one allele will be expressed as dominant gene while the other allele is called recessive.

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True

False

answer is A.

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Detailed Solution

Concept: The above given statement is true.
If the alleles of a gene are different, one allele will be expressed as dominant gene while the other allele is called recessive.
Dominant trait is the one which is expressed visibly in an organism. Example- Baldness etc.
Dominant allele is shown in capital letters like A as compared to small letter a.
Each parent gives one allele, the combinations are: AA, Aa, and aa.
The genotypes AA and Aa present in the offspring will have dominant traits whereas aa offspring express recessive traits. Recessive trait is present in gene level but does not show itself in an organism. Examples- O Blood type, Blue eyes, Sickle cell anemia, etc.
Hence, option 1 is the correct answer .

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