Convention to indicate identical twins in a pedigree is......
Answers
Explanation:
It is important that TSH is at an optimal level, as it affects ovulation; up to 5% of women struggling to conceive have abnormal thyroid hormone levels. ... However, recent studies have suggested that TSH should be no higher than 2.5 when trying to conceive and 3.0 duringpregnancy.
▶ pedigree analysis is the study of transmission of particular traits over the generations for finding out the possibility of their occurrence in the future generation...
▶importance
☀ it is used to know the possibility of expressive or recessive allele which may cause genetic disorder
☀ it shows the origin of trait and inheritance pattern of that trait in a family
☀ it predict the harmful effect of marriage between close relatives
☀ it extenously used in medical research ..