Match the following genes of the Lac operon with their respective products.
$(a)\; i$ gene | $(i)\; \beta-$galactosidase |
$(b)\; z$ gene | $(ii)$ Permease |
$(c)\; a$ gene | $(iii)$ Repressor |
$(d)\; y$ gene | $(iv)$ Transacetylase |
Select the correct option.
$(a)\quad (b)\quad (c)\quad (d)$
$(i)\quad (iii)\quad (ii)\quad (iv)$
$(iii)\quad (i)\quad (ii)\quad (iv)$
$(iii)\quad (i)\quad (iv)\quad (ii)$
$(iii)\quad (iv)\quad (i) \quad (ii)$
Repetitive sequences are stretches of $DNA$ with repeated bases many times in a genome, but
$(a)$ These sequences are of no transcriptional function
$(b)$ These are associated with euchromatin region
$(c)$ These helps to identify a person on the basis of its $DNA$ specificity
Crossing over takes place between
Total number of autosomes in fertilized egg of man is
The chemical knives of $DNA$ are
The function of chromosomes of carrying the genetic information from one cell generation to another is performed by