For example, if someone has contributed $10,000 post-tax and $30,000 pre-tax to a traditional IRA and wants to convert the post tax $10,000 into a Roth, the pro-rated amount (ratio of taxable contributions to total contributions) is taxable.or example, if someone has contributed $10,000 post-tax and $30,000 pre-tax to a traditional IRA and wants to convert the post tax $10,000 into a Roth, the pro-rated amount (ratio of taxable contributions to total contributions) is taxable.
A trisomy and a monosomy are types of numerical chromosome abnormalities that can cause certain birth defects. Normally, people are born with 23 chromosome pairs, or 46 chromosomes, in each cell â one inherited from the mother and one from the father.
Down syndrome, also referred to as trisomy 21, is the most common chromosomal disorder. It affects approximately 1 in every 800 live births. Babies with Down syndrome have an extra number 21 chromosome.It usually presents as a lifelong mental disability, along with delays in growth and development.hen one chromosome in a given pair is missing, it is called a monosomy. One example is Turner syndrome. A trisomy occurs when an additional chromosome appears in the genetic make-up of an individual. Examples are Down syndrome, Patau syndrome, Klinefelter syndrome and Edward's syndrome.