Dominance in genetics is a relationship between alleles of one gene, in which the effect on phenotype of one allele masks the contribution of a second allele at the same locus. The first allele is dominant and the second allele is recessive.For genes on an autosome (any chromosome other than a sex chromosome), the alleles and their associated traits are autosomal dominant or autosomal recessive. Dominance is a key concept in Mendelian inheritance and classical genetics.n Rr individuals the R allele masks the presence of the r allele, so these individuals also have round peas. Thus, allele R is dominant to allele r, and allele r is recessive to allele R. This use of upper case letters for dominant alleles and lower case ones for recessive alleles is a widely followed convention.
For example, suppose you made a $3,000 annual contribution to a Roth IRA early in 2003, then got a larger bonus than you expected and found that your permitted contribution was only $1,800. Your excess contribution was $1,200.If you didn't correct the excess contribution for 2003, you had to pay $72 excess contribution tax (6% of $1,200). And if you left the problem uncorrected beyond the end of 2004, you owe another $72.our excess contribution was $1,200. If you didn't correct the excess contribution for 2003, you had to pay $72 excess contribution tax (6% of $1,200). And if you left the problem uncorrected beyond the end of 2004, you owe another $72.
Can Contribute After Taxes. The deadline for contributing to a Roth IRA is your tax filing deadline, regardless of when you file your income taxes. You must typically file your income taxes by April 15, but some years the deadline is extended if the deadline falls on a weekend or holiday.or example, if you file your tax return after the regular tax filing deadline, even if have an extension, you've missed the deadline to contribute to a Roth IRA. Besides having to be at least 59 1/2 years old, your Roth IRA has to be open for at least five years before you're eligible to take qualified distributions.