Down's syndrome is due to (a) Linkage (b) Sex-linked inheritance
(c) Crossing over (d)Non-disjunction of chromosome

Down syndrome is due to chromosome number :

Who proposed linkage theory and sex linked inheritance?

X-chromosome of female in a sex - linked inheritance case can be passed on to :

Down's Syndrome is caused by non-disjunction of -

Down.s syndrome is due to ....... of chromosome 21.

Differentiate between linkage and crossing over.

Arrange the following events of meiosis in the correct sequence - A. Terminalisation of chiasmata B. Crossing over C. Synapsis D. Disjunction of chromosomes E. Dissolution of synaptonemal complex The correct sequence is -

Arrange the following events of meiosis in the correct sequence - A. Terminalisation of chiasmata B. Crossing over C. Synapsis D. Disjunction of chromosomes E. Dissolution of synaptonemal complex The correct sequence is -