The twenty- first pair of chromosomes failed to seperate during meiosis, so aziz received three of these chromosomes rather than the normal two. Aziz has down syndrome.
There is the automobile
there is a train
there is a plane
there are bikes, skateboards,scooters
Answer:
The correct answer is B.) Four Chromatids
Explanation:
The rate of lung cancer among African to American smokers is thirty percent higher than it is among the white smokers. Even though both white and Africa to American men have similar rates of smoking, African to American smoke fewer cigarettes than white smokers. The likelihood of white women have cancer is high compared to African to American women. In addition, African to American are diagnosed with lung cancer at a very young age.
This is true.
The function of the spleen is to remove and destroy worn out (and useless) red blood cells.
The spleen also stores platelets and white blood cells and fights some types of bacteria.
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