What is sex chromosome?

What is a sex chromosome?

(i) Some dinosaurs had feathers but could not fly using these feathers. Why? (ii) What is a sex chromosome?

Answer the following What are sex chromosomes?

What the sex chromosome constitution in male individual of human, bird, grasshopper and butterfly.

(a) State one advantage of variation to a species. (b) What are sex chromosomes ? How many sex chromosomes are there ? Name them.

what are sex chromosome and autosome ?

What are Sex chromosomes?

What is the sex chromosome consitution in Klinefelter syndrome ?