Write the types of sex-determination mechanisms the following crosses show. Give an example of each type
(i) Female XX with Male XO
Write the types of sex-determination mechanisms the following crosses show. Give an example of each type
(ii) Female ZW with Male ZZ
Name the scientist who suggested that the genetic code should be made of a combination of three nucleotides.
State how Agrobacterium tumifaciens has been made a useful cloning vector to transfer DNA to plant cells.
Construct an age pyramid which reflects a stable growth status of human population.
The age pyramid that reflects a stable growth status of human population can be represented as follows:
Apart from being a part of the food chain, predators play other important roles. Mention any two such roles supported by examples.