Heredity and Ev...

A cross between two individuals results in a ration of 9 : 3 : 3 : 1 for four possible phenotypes of progeny. This is an example of a:

A normal cell of human body contains 23 pairs of chromosomes. The numbers of chromosomes in a sex cell (sperm or ovum) of a human being is most likely to be:

In the human blood grouping, the four basic blood types are type A, type B, type AB, and type O. The blood proteins A and B are:

What will be the number of chromosomes present in each gamete produced by the plants if the palisade cells of a species of plant contain 28 chromosomes in all?

A cross between a tall plant (TT) and short plant (tt) resulted in progeny that were all tall plants because:

In peas, a pure tall plant (TT) is crossed with a pure short plant (tt). The ratio of pure tall plants to pure short plants in F2 generation will be:

In human males all the chromosomes are paired perfectly except one. These unpaired chromosomes are: (i) Large chromosome (ii) Small chromosome (iii) Y chromosome (iv) X chromosome

Which is the one characteristic of the parents that can be inherited by their children?

What could be the reason for the fossil of an organism to be found in the deeper layers of earth?

"Some dinosaurs had feathers although they could not fly but birds have feathers that help them of fly." In the context of evolution, this means that's: