Briefly describe what factors increase the likelihood of dizygotic (DZ) twins and what factors increase the likelihood of monozygotic (MZ) twins
Please provide the best answer for the best statement.
1.Ethnic background increases the incidence of DZ twins, with Asians having the lowest rate of DZ twins and Africans the highest.
2.Additional factors influencing the chances of DZ twins include a family history of DZ twins, the age of the mother, nutrition, and infertility treatments.
3.MZ twins are universally less common and are not more prevalent in any specific ethnic group, nor are MZ twins influenced by age, nutrition, or family history.
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