Mitosis is the division that results in two “daughter” cells. Both of these daughter cells have the same number of chromosomes as the “parent” cell. Mitosis consists of 4 phases: prophase, metaphase, anaphase, and telophase. Prophase: the DNA is copied and the chromosomes pair up Metaphase: the chromosomes line up in the middle of the cell Anaphase: sister chromatids are pulled apart from each other towards opposite sides of the cell Telophase: the cell begins to pinch in the middle and separates into two identical daughter cells
According to the question, the width of a pin is 0.001m and the width of a red blood cell is 6-8 μm. Width of pin in μm = 1000μm. So approximately 1000/8 red blood cells can fit which is equal to 125 RBCs.
Alleles that are recessive will be lower case. Alleles that are dominant are upper case. Since we have two recessive alleles represented by 'R', the alleles would be written as 'rr'.
The foil method is a method to factor an expression. For example: FFWw. The question is simply trying to confuse you. Turn FFWw into (FF)(Ww) then solve as shown: