C. Mammary gland. Hope this helps!
The answer is a half-filled circle.
In the pedigree charts, squares present males and circles present females. If a female is healthy, the circle is empty (white). If a female is affected with a trait, the circle is filled-in (usually black). However, if a female is a carrier of a disease, which means that one allele is dominant and one is recessive, then the circle is half-filled.
Syndesmosis is the type of joint that has two bony surfaces united by a ligament or membrane . This is a fibrous joint between two bones and is also referred to as 'high' ankle sprain.<span>Some of the </span>long bones<span> in the body such as the </span>radius<span> and </span>ulna<span> in the </span>forearm<span> are joined by this type of joint.</span>
Injuries to this<span> joint often occur in conjunction with acute bony injuries to the ankle joint.</span>