Analysis:
Q:
On each square,
write the genotype of the child. How many squares should you have in all?
A: 16
Q: How do you know which children have long necks and
which children have short necks?
A: NN=
Brown-Short neck
Nn= Brown-
Short Neck
Nn= Green-
Long neck
Q: Why are only short neck tortoises affected by the food
shortage?
A: Because the short neck torouses cant reach the plants
while the long necks can.
Q: How many of the grandchildren have long necks?
A: 8 tortoises
Q: Is this number more, less, or the same as the number
of children who had long necks?
A: There are
the same amount of long and short neck tortoises
Conclusion:
Q: What has happened to the number of long neck tortoises
in the area?
A: The Number has risen because there are more short neck
toroises
Q: What has happened to the number of short neck tortoises
in the area?
A: They have dropped because the short necks can’t reach
all the food.
Going further
Q: What do you think would happen to the species?
A: I think the short neck tortoises would die out
because they would run out of food they could reach, and the long neck
tortoises would be able to reach all the food and eat everything.
