Fraternal twins are produced when
Fraternal twins are produced when
- A
A fertilized egg divided into two
- B
An egg is fertilized by two sperms
- C
A divided egg has two set of chromosomes
- D
Two eggs are fertilized simultaneously
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A medical technician while observing a human blood smear under the microscope notes the presence of barrbody close to the nuclear membrane in the $WBC$. This indicates that person under investigation is
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Which of the following is not a hereditary disease?
Which of the following is not a hereditary disease?
Term 'genetics' was given by
Term 'genetics' was given by
Edward's syndrome, Patau's syndrome and Down's syndrome are due to
Edward's syndrome, Patau's syndrome and Down's syndrome are due to
$A$ : Polyploids with odd number of chromosomes are propagated vegetatively.
$R$ : Seed formation is absent due to meiotic abnormality.
$A$ : Polyploids with odd number of chromosomes are propagated vegetatively.
$R$ : Seed formation is absent due to meiotic abnormality.