(1) If a testator fails to provide in his will for any of his children born or adopted after the execution of his will, the omitted child receives a share in the estate equal in value to that which he would have received if the testator had died intestate unless:
(a) It appears from the will that the omission was intentional;
(b) When the will was executed the testator had one (1) or more children and devised substantially all his estate to the other parent of the omitted child; or (c) The testator provided for the child by transfers outside the will and the intent that the transfers be in lieu of a testamentary provision is shown by statements of the testator or from the amount of the transfers or other evidence.
(2) In satisfying a share provided for in this section, such share shall be taken ratably from the interest of heirs, devisees and legatees.