Q2 of 167 Page 191

Name one variation in humans connected with ears.

Some humans have attached earlobes while some have few earlobes which is due to variation in genes.


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1

Which of the processes, sexual reproduction or asexual reproduction, brings about maximum variations in the offspring?

 3

What constitutes the link between one generation and the next?

 5

Mendel said that the characteristics or traits of organisms are carried from one generation to the next by internal factors which occur in pairs. What is the modem name for these factors?

 6

Some plants occur in one of the two sizes: tall or dwarf. This characteristic is controlled by one pair of genes. Tallness is dominant to dwarfness. Choose suitable letters for this gene pair.