People with two copies of the sickle cell gene have the disease. People who carry only one copy of the sickle cell gene do not have the disease, but may pass the gene on to their children. Abnormal hemoglobin, called hemoglobin S, causes sickle cell disease (SCD). The problem in hemoglobin S is caused by a small defect in the gene that directs the production of the beta globin part of hemoglobin. This small defect in the beta globin gene causes a problem in the beta globin part of hemoglobin, changing the way that hemoglobin works.
Answer:
gametes, which grow into gametophyte.
Explanation:
It is stretched. Hope this helped :)
No. The amount of daylight each location receives everyday depends on the latitude of the location. It also depends on how the earth orbits the sun. As the orientation changes throughout the year, the sunlight on earth’s surface for the given location will also change.
