Answer:
Blood type A has antigens on the red blood cells with B antibody,
Blood type B has antigens with anti-A antibodies in the plasma.
AB has both A and B antigens, but no antibodies.
Blood type O has no antigens, but both anti-A and anti-B antibodies in the plasma.
Explanation:
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Answer:
A stable condition
Explanation:
Dictionary Definition- a tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes
Take a sample of amniotic fluid can identify a genetic disorder in a fetus. So option (c) is the correct answer.
An amniocentesis is a prenatal test that can diagnose genetic disorders and other health problems in the fetus.
Genetic amniocentesis is usually performed between the 14th and 20th weeks of pregnancy. An amniocentesis performed before 14 weeks of gestation may cause additional complications. Reasons for genetic amniocentesis include: A positive prenatal screening test result.
Amniotic fluid is the clear fluid that surrounds your baby in your belly during pregnancy. This fluid provides a cushion that protects the baby from injury and gives it room to grow, move and develop.The amniotic fluid also prevents the umbilical cord from getting caught between the baby and the walls of the uterus.
Learn more about fetus from:
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Answer: B
Explanation: The longest geologic era was the Precambrian. It began with the formation of the earth about 4.53 billion years ago, and ended about 542 million years