Study the pedigree chart. ( picture above) Which of these can be determined about the trait based on this chart?

○ The trait is recessive. the parents of A were both carriers

○ The trait is recessive. The parents of A were both affected

○ The trait is dominant The parents of te were both affected.

○The trait is dominant The parts of A were both carriers

The trait is recessive. the parents of A were both carriers

Explanation: The correct answer should be the trait is recessive.

Since we can only see A mothers tree and she is not affected by the trait she is a carrier.

Unfortuately, the tree does not show her father's side of the tree so we can only "assume" based on the options that he also is a carrier of the trait.

So answer it will be "The trait is recessive. the parents of A were both carriers"

answer: "circumcision is a common procedure in which the skin covering the tip of the penis is surgically removed."

answer: - b cells

explanation: -

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.