Which of the following disorders can be observed in a human karyotype?
A colorblindness
C cystic fibrosis
D sickle cell disease
B trisomy 21

Often, caries will develop in an area of the tooth that's not readily accessible. which cavity preparation form defines this? a. retention b. resistance c. outline d. convenience

What is mitosis and how does it affect change

Describe the primary and secondary immune response in terms of speed and number of antibodies produced?