The following statements are given for the genes/gene products that are involved in giving molecular address to the body parts:
(i) Contains 60 aa homeo domain that fits mainly in the major groove of the downstream genes.
(ii) Act as transcription factors.
(iii) Have four paralogous groups located in different chromosomes.
(iv) The genes are clustered in 2 complexes.
Which combination of above statements is the best appropriate for Drosophila homeotic genes/gene products?
1
(i), (ii), (iii) and (iv)
2
(i) only
3
(i), (ii) and (iv)
4
(i) and (iv)