The diagram below is an illustrating of a cross between plants ! and B of the same species. Study it to answer the question below.
The process that gave rise to the F1 generation is
self fertilization
cross fertilization
out-breeding
test cross
Correct answer is B
No explanation has been provided for this answer.
The diagram below is an illustration of a cross between plants A and B of the same species. Study it and answer the question below.
YYRR
YyRr
yyRr
yyrr
Correct answer is A
No explanation has been provided for this answer.
Which of the following diseases can be inherited?
Pneumonia
Whooping cough
Sickle cell anemia
Malaria
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements about chromosomes is correct?
All the chromosomes of a species are the same shape
The number present in a specie is constant
They are neatly arranged in a cytoplasm
They bear ribosomes on their outer membranes
Correct answer is B
No explanation has been provided for this answer.
Measurements of height and weight of students in a class show
discontinuous variation
continuous variation
shortness is more prevalent
fatness is less prevalent
Correct answer is B
No explanation has been provided for this answer.