The whooping cough vaccine for children is very safe for your baby. The whooping cough vaccine for children (2 months through 6 years) is called DTaP vaccine. The DTaP vaccine combines protection against diphtheria, tetanus and whooping cough. Currently, there are 3 licensed formulations of the DTaP vaccine.
Human egg cells contain one set of 23 chromosomes. Because they contain half of the 46 chromosomes contained in body cells (2 sets of 23), the egg cells are said to be haploid. Human egg cells contain one set of 23 chromosomes. Because they contain half of the 46 chromosomes contained in body cells (2 sets of 23), the egg cells are said to be haploid.
A human cell containing 22 autosomes and either an X or Y chromosome is a sperm cell. According to Genetics Home Reference, all female egg cells contain an X chromosome along with their 22 autosomes. This arrangement means that males determine the sex of the offspring during the egg's fertilization.