Answer:
B. Antibodies react specifically with an antigen.
Explanation:
Serological tests are blood tests that look for antibodies in your blood. They can involve a number of laboratory techniques. Flucculation tests are based on the precipitation that takes place when antibody and specially prepared antigens are mixed together
Answer:
The testes are oval organs about the size of very large olives that lie in the scrotum, secured at either end by a structure called the spermatic cord. Most men have two testes. The testes are responsible for making testosterone, the primary male sex hormone, and for producing sperm.
Explanation:
Answer:
all of the offspring would have a widow's peak
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
Heredity/Hereditary
<span>(the passing on of physical or mental characteristics genetically from one generation to another) Physical features mainly. </span>
Answer:
1. Precambrian rocks are very old.
2. They have very few fossils.
