Category Archives: Science

When Mendel crossed a Tall plant with a dwarf plant, no medium height plants were obtained in F1 generation. Why?

Because dominant genes express themselves and suppress the effect of recessive genes. So no medium sized plants were obtained.

06/03/2012 – 1:47 PM | By Satyam | Posted in Science | Comments (0)

What are inherited traits? Give one example.

The characteristics which are transmitted from parents to their offsprings are called inherited traits. E.g. free and attached earlobes.

06/03/2012 – 1:46 PM | By Satyam | Posted in Science | Comments (0)

Name 2 organisms in which sex determination is regulated by environmental factors.

Turtle, lizard

06/03/2012 – 1:46 PM | By Satyam | Posted in Science | Comments (0)

What is the percentage possibility a couple of having daughters?

50 percent

06/03/2012 – 1:45 PM | By Satyam | Posted in Science | Comments (0)

Why males are called heterogametic?

Because they have dissimilar sex chromosomes.

06/03/2012 – 1:45 PM | By Satyam | Posted in Science | Comments (0)