Biology, 08.03.2021 07:20, babygail0818
Sickle cell anemia is known to run in a family. A pedigree chart for this family is shown below. The parents are shown at the top and from left to right appear as a half-shaded circle next to a half shaded square. The two are connected by a straight line. Below the parent pair is a vertical straight line connecting the next row of circles and squares which are the offspring. Starting from the left an unshaded square, half-shaded circle, another half-shaded circle and a completely shaded square are shown. All these are also connected by a horizontal straight line.
What percentage of the offspring have sickle cell anemia?
0%
25%
50%
100%
please i need a answer and something to prove its right
Answers: 1
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