At what stage in the life history of a mammal is the sex ...
At what stage in the life history of a mammal is the sex of an individual set?
at adolescence
at puberty
at birth
at conception
Correct answer is D
The sex of a baby is determined by its chromosome make-up at conception.
The resemblance of a palatable insect to a poisonous insect is an example of ...
The pair of genes expressed in a heterozygous individual is described as ...
Which of the following statements is not Lamarck's postulate on evolution? ...
In which of the test tubes will glucose be detected after complete hydrolysis? ...
Which of the following explains the term: pyramid of numbers? ...
The fruit that has the illustrated sections is a ...
Which of the following statements is correct about variation? ...
The cells and tissues of the nose, throat, chest diaphragm and lungs from the ...
Which of the following food substances is digested in the stomach? ...
Which of the following characteristics do fungi share in common with animals? ...