Question

Convention to indicate identical twins in a pedigree is......

Answer 1

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.

Answer 2

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▶ 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 ..