In a family of eight (8), all the children are girls. Whi...
In a family of eight (8), all the children are girls. Which of the following reasons correctly explains this?
The woman cannot produce male children
The man has a low sperm count
The Y component of the man’s sex chromosome was always involved
The X component of the man’s sex chromosome was always involved
Correct answer is D
No explanation has been provided for this answer.
The first stable product of photosynthesis is ...
In which of the following structures is simple sugar produced? ...
The role of bacteria in the nitrogen cycle includes the following except ...
Organism J is normally sustained by energy from? ...
The most important factor(s) that influence(s) the ecological niche of an organism is/are the ...
The part labelled I is the________ ...
The tissue that carries organic food from its site of production to all other parts of the plan...