Question

Transitional heart is found in

Answer 1

Explanation:

Interestingly, in the turtle, a transitional animal anatomically--with a three-chambered, incompletely septated heart, the molecular signature is transitional as well. A higher concentration of Tbx5 is found on the left side of the heart, gradually dissipating towards the right.

Answer 2

Answer: it starts from Early Embryonic and Fetal stage

Explanation: transition means it is still forming