An abnormal human baby with $‘XXX’$ sex chromosomes was born due to
fusion of two ova and one sperm
fusion of two sperms and one ovum
formation of abnormal sperms in the father
formation of abnormal ova in the mother.
Discontinuous variations are
Loss of a $X$ chromosome in a particular cell during its development, results into
The affected individuals are short statured in disorders like
Heterozygous tall and violet flowered pea plants were selfed and total $512$ seeds are collected. What will be total number of seeds for both heterozygous traits?
Which one is a sex-linked disease