Larry Kotlikoff: Not if you have 40 quarters of covered earnings history under Social Security, itâs not: 40 quarters of a year in which you had earnings on which you and your employer paid the Social Security tax. If you did that, youâre entitled to Social Security benefits. And if I am reading your numbers correctly, youâre now 62 and only began working for the federal government at age 47. So you had plenty of time to accrue those 40 quarters or 10 yearsâ worth of Social Security earnings. Perhaps your co-workers are referring to the Windfall Elimination Provision (WEP). The WEP can reduce, but not wipe out, the benefits to which you are entitled.
This process starts before the developing child is even old enough to be considered a fetus, and is instead still an embryo. A developing human is not considered a fetus until the 9th week of development in the uterus, whereas sex differentiation begins during the 6th week of pregnancy. By the sixth week of development, all embryos have both Wolffian ducts and MÃ¼llerian ducts. The Wolffian ducts are embryonic structures that can form the male internal reproductive system.
The male parent does. Sex is determined by two chromosomes, X and Y. A female is XX, a male is XY. Since women completely lack the Y choromosome, they always contribute an X chromosome to the baby.The sex is determined by whether the sperm that fertilizes the egg is carrying another X or a Y.es | No Thank you! The male parent does. Sex is determined by two chromosomes, X and Y. A female is XX, a male is XY. Since women completely lack the Y choromosome, they always contribute an X chromosome to the baby. The sex is determined by whether the sperm that fertilizes the egg is carrying another X or a Y.