Answer:
B. a nucleus
Explanation:
cell walls and chloroplast are both found in plant cells, not in animal cells
<span>Answer:
Turning from side to side will change the position of the catheter, thereby freeing the drainage holes of the tubing, which may be obstructed. Drinking a glass of water and deep breathing and coughing do not influence drainage of dialysate from the peritoneal cavity. The position of the catheter should be changed only by the primary healthcare provider.</span>
The male child is having Kleinfelter's syndrome.
Explanation:
In the Klinefelter's syndrome, the number of chromosomes is 47 ie 2X Y
It is given that he is chromatin-positive male i.e colour blind. It can be assumed that he received two X chromosome from his mother in which one turned in to barr body. Colour blindness is an X-linked recessive trait.
Both the X chromosomes have an allele for colour blindness and nondisjunction has taken place in mother's gametes, making 2X chromosome.
It can be concluded that the chromosome having colour bling gene got expressed whereas the other chromosome became barr body.
