alleryStart learning →In XO sex determination, a male forms when the egg meets a sperm that
AHas two X chromosomes
BHas a Y chromosome
CLacks an X chromosome
DIs a diploid cell
Answer & Solution
Correct answer: C. Lacks an X chromosome
Eggs fertilised by sperm without an X chromosome develop into males, which therefore have one fewer chromosome.
Keep practising Botany Unit 10: Genetics
Browse all Botany Unit 10: Genetics questions for AP EAMCET, or explore more Biology topics.
Related questions
Which feature of skin colour shows it is polygenic?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?