Freshly released human egg has:

Explanation

A freshly released human egg, also known as an oocyte, contains half of the genetic material required for the formation of a new individual. To be specific, it contains 23 chromosomes. However, all of these chromosomes are from the X chromosome group. There are no Y chromosomes in a freshly released human egg. This is because the egg always carries an X chromosome, while the sex of the resulting individual (male or female) is determined by the sperm cell that fertilizes the egg. Now, let's explain each of the options: a. One Y chromosome: This option is incorrect. There is no Y chromosome present in a freshly released human egg. b. One X chromosome: This option is correct. A freshly released human egg does indeed have one X chromosome. c. Two X chromosomes: This option is incorrect. A freshly released human egg only contains one X chromosome. d. One X chromosome and one Y chromosome: This option is incorrect. As mentioned earlier, the egg only contains one X chromosome, and the Y chromosome is not present in the egg. Correct answer: b. One X chromosome Summary: A freshly released human egg has one X chromosome. The presence of the Y chromosome or the determination of the individual's sex (male or female) is determined by the sperm cell that fertilizes the egg. The egg always contributes an X chromosome, and the sperm can contribute either an X or a Y chromosome, resulting in the genetic sex of the offspring.