The S-phase is the part of the cell in which DNA is replicated, occurring between G1 phase and G2 phase. Precise and accurate DNA replication is necessary to prevent genetic abnormalities which often lead to cell death or disease.
Answer:
theres multiple ways
Explanation:
1 mutation like a chromosome accidentally was deleted
2 polymorphism your body just messes up
3 while your mother is holding you she gets injured and it affects you
ex blue eyes are a mutation its not suppose to happen your body just messes up
Answer:
Genetics is a branch of biology concerned with the study of genes, genetic variation, and heredity in organisms. Gregor Mendel, a scientist and Augustinian friar, discovered genetics in the late 19th-century. Mendel studied "trait inheritance", patterns in the way traits are handed down from parents to offspring.
Explanation: