Which part of the nucleus is made mostly of rna and proteins a. the nuclear envelopec. the nucleolusb. the dnad. chromatin

Which genetic disorders, caused by an extra x chromosome (xxy), is characterized by a lack of testicular development in males, effeminate features, possible mental impairment, and a thin stature?

The law of states that traits are passed from parents to offspring independently of one another.. true or false

There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell