If a baby is a female, her mother's ovum must have be...
If a baby is a female, her mother's ovum must have been fertilized by a sperm carry the chromosome
X
XY
XX
YY
Y
Correct answer is A
No explanation has been provided for this answer.
Pepsin is secreted as an inactive precursor called pepsinogen because ...
Which of the following structures occupies the neural canal of the vertebral column? ...
The organs constantly in touch with the liver are ...
Which of the following diseases is transmittable through genes? ...
The structure labeled II is the ...
Which of the following pairs of tissues is responsible for strengthening the plant? ...
In a tropical rain forest, non-epiphytic ferns and allies occur as ...