Answer:
According to the karyotype image, the sex chromosomes of a normal human male are those of the last picture, where both are different.
Explanation:
The sex chromosomes are those that determine the sex in a species, as in the human being and other species X and Y. <u>XY chromosomes determine the male sex while the XX sex pair corresponds to the female sex</u>.
In humans, the chromosomes are grouped by pairs with the same characteristics, that is, most pairs of chromosomes are identical. The only exception is represented by the male human sex chromosomes X and Y. This difference in the sex chromosomes causes the different sex chromosomes (picture) to be called heterogametic.
Answer:
Index Fossils can be used to identify a specific time period.
Explanation:
Alex will be effected by the drug because of the side effects which are..muscle spasms of the face, neck, and back, tic-like or twitching movements, inability to move the eyes, twisting of the body, or weakness of the arms and legs,Constipation, trouble urinating, dryness of mouth, confusion, problems with memory, dizziness or fainting, drowsiness, trembling of the hands and fingers, and problems with muscle movement, such as decreased or unusual movements.
Your cells would shrink and your brain would signal your body to urinate less.
Answer:
No
Explanation:
This is because as the heart beat and pumps blood into the blood vessels, you can feel the pulse through your wrists, palms e.t.c. when you place your hand on your chest and love dten quietly, you will feel you heart as if it is beating fast which is as a result of it's pumping blood but if u listen well you will be able to count the number of heart beat and know your pulse rate. Heart beating fast can be as a result of stress anxiety, rigourous activities e.t.c.