According to the Lyon hypothesis during the early period of embryonic development, the
A) genetic activity of both of the X chromosomes in each cell of a female embryo is inactivated.
B) genetic activity of one of the X chromosomes in each cell of a female embryo is inactivated.
C) genetic activity of the Y chromosome in each cell of a male embryo is inactivated.
D) inactivated chromosome forms a structure known as the pronucleus.
Correct Answer:
Verified
Q8: For autosomal-dominant inheritance
A) males will be affected
Q9: Which clinical syndrome caused by gross chromosomal
Q10: Which statement is true regarding gross chromosomal
Q11: Most cases of Down syndrome are associated
Q12: Points of contact between the chromatid of
Q14: Which statement is true of oogenesis?
A) Oogenesis
Q15: The majority of patients with Turner syndrome
Q16: If both loci for blood are AO,
Q17: After metaphase of the first meiotic division
A)
Q18: Which is true about making a karyotype?
A)
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