Two copies of a duplicated chromosome attached to each other by proteis at the centromere and sometimes, along the arms. While joined, two sister chromatids make up one chromosome. Chromatids are eventually separated during mitosis or meiosis II
Several reasons are likely. Even though listening is the communication skill we use most frequently, it is also the skill in which we've had the least training. From personal experience, we know we've had much more formal training in other major communication skills â writing, reading, speaking.
Effective oral communication skills help people to: 1  improve their own academic performance; 2  increase their employment options; 3  enhance their subsequent professional competence; and. 4  improve their own personal effectiveness.