Chromosome 1 is mainly responsible for the inheritance of intelligence, but also inheritance of growth and development. Human cells contain more chromosomes, is the carrier of genes, but also an important component of the composition of the cell, and chromosome 1 is the gene in the chromosome in the larger one, if the human gene lacks chromosome 1, will lead to fetal deformities, or congenital diseases and other occurrences, and in serious cases will lead to death. chromosome 1 abnormalities, mostly related to the age of the pregnant woman, history of abortion, so you must pay attention to the time during pregnancy, pay attention to regular hospitals and birth examinations, keep the fetus at all times, radiation, drugs and other factors, The chromosome 1 abnormality is mostly related to advanced maternal age, history of miscarriage, radiation, medication and other factors, so we must pay attention to it in our daily life, and pay attention to go to the hospital to do obstetrics regularly during the pregnancy to observe the development of the fetus at any time. If chromosome 1 is found to be abnormal, timely treatment should be carried out to prevent the healthy development of the fetus.