Heredity and Evolution-HOTS Questions

1.   Green and red colored seeds are recessive and dominant trait respectively. Out of F1 and F2 in which generation will the green seed appear, if both parents are not hybrid.

2.   Species A shared ten characteristics with species B, species C share fifteen characteristics with D which of the two pairs share closer relation.

3.   Dead remains of two species A and B were buried. Later only A�s body was found to be a fossil but not B�s given reason.

4.   After the death of two insects, one of the insect was buried in hot mud and the other is usually found mud. Which of the two is more likely to be preserved better and why?

5.   With the help of an example explain how �genes control characteristics or trait�

6.   Male has 23 pairs of chromosomes and female has 23 pairs of chromosomes.

        Then why don�t an offspring have 46 pairs of chromosomes which is obtained by the fusion of these two eggs.

7.   What is a genetic drift?

8.   What are the uses of fossils?

9.   What term did Mendel use for genes? Where are the genes located?

10.   What is the effect of DNA copying which is not perfectly accurate on the reproduction process?