This is all about dominant and recessive genes. According to the picture it looks like the yellow flowers have the dominant genes YY and the green flowers the recessive yy. You breeded the YY with the yy to get Yy. Now you have a plant with the dominant and recessive gene. The green flowers are recessive so if you breed 'y' with anything you get yellow flowers whether they only have the'Y' gene or the both 'Y' and 'y'.
The answer is skin. The skin is also the largest organ in the body and has the most contact with the outside environment. It is estimated that there are approximately 205 identified genera of bacteria alone on the skin. This normal flora of the skin play significant roles in the body such as augmenting immunity.
Please finish the sentence.
The typical number of parathyroid gland is four