alleryStart learning →Which feature of skin colour shows it is polygenic?
AAllele count sets darkness
BOne allele controls it fully
COnly the Y chromosome sets it
DIt never shows any variation
Answer & Solution
Correct answer: A. Allele count sets darkness
In polygenic traits the number of contributing alleles in the genotype determines the degree of expression.
Keep practising Botany Unit 10: Genetics
Browse all Botany Unit 10: Genetics questions for AP EAMCET, or explore more Biology topics.
Related questions
Myotonic dystrophy is given as an example of which inheritance pattern?A heterozygous haemophilia carrier female may transmit the disease to herA true-breeding line is one that shows stable trait inheritance afterChromosomal aberrations are commonly observed in which kind of cell?Which pair of contrasting traits did Mendel study in pea plants?Mendel could not give what kind of support for his factors, delaying acceptance?In an RrYy plant, what percentage of gametes carry the R allele?A heterozygous parent produces how many kinds of gametes for that gene?