Many other Papers describe single individuals having
an XX/XY chromosome constitution but in View of the frequency of

freemartinism, the origin of these cases are ambiguous unless

i Ewa Nk gl ) information was lost. Also there is the pPOssibility
that the male foetus dieq in utero and was resorbed or aborted.
These cases must therefore be very carefully studied before a5

Suggestion as to their aetiology can be made.

one cow. All three cases had an XY sex chromosome constitution.

hermaphrodite calf with an XX/XY sex chromosome constitution

involving leucocytes, bone marrow, kidney ang testes cells.

rare occasions. At that time no Cytogenetic studies had been
made on sheep intersexes. Other cases have now been observed
and studied cytogenetically by Gerneke (1965, 1967) , Bruere

(1967) ana Bruere and McNab (1968) . Gerneke examined two cases

846