In the diagram, the genotypic ratio of the offspring of the cross is
1:2
1:2:1
1:1:1:1
3:1
Correct answer is B
No explanation has been provided for this answer.
Which of the four offspring of the cross will be short if T the gene for tallness is
i
ii
iii
iv
Correct answer is D
No explanation has been provided for this answer.
In the diagram, the population size of species II on the 20th day is
100
200
300
400
Correct answer is B
No explanation has been provided for this answer.
the population of species ii is growing at a slow rate
the population of species iii has reached its carrying capscity
the population of species I has become extinct
the population of species I is always
Correct answer is C
No explanation has been provided for this answer.
In the diagram, the part labelled IV indicate that the yeast population has
reached its maximum size
reached senescence
stopped metabolizing food
started dying
Correct answer is A
No explanation has been provided for this answer.
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