Why eggs and sperm contain half as much DNA as somatic cells.

Eggs and sperm cells contain 2 times less DNA than somatic cells, because during fertilization they fuse and form a zygote with 46 chromosomes.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.