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With the help of a flow diagram, how wou...

With the help of a flow diagram, how would you establish that in human beings the sex of a newborn is purely a matter of chance and none of the parents may be considered responsible for a particular sex of a newborn child.

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Explore conceptually related problems

(a) What are homologous structures? Give an example. (b) "The sex of a newborn child is a matter of chance and none of the parents may be considered responsible for it." Justify this statement with the help of a flow chart showing sex-determination in human beings.

"The sex of a newborn child is a matter of chance and none of the parents may be considered responsible for it." Justify this statement with the help of a flow chart showing determination of sex of a newborn.

How many pairs of chromosomes are present in human beings ? Out of these how many are sex chromosomes ? How many types of sex chromosomes are found in human beings ? "The sex of a new born child is a matter of chance and none of the parents may be newborn to justify this statement.

How is the sex of the child determined in human beings?

How is the sex of the child determined in human beings ?

How is the sex of the child determined in human beings?

How is the sex of the child determined in human beings?

How is sex determined in human beings?Explain with the help of diagram.

The life of a human being begins as a single celled zygote. The information presents in the chromosomes in this cell is what determines the characteristics of this human being. Each cell in the body of a male contains one X chro mosome and one Y chromosome (XY). Read the passage and try to answer the questions How the sex of unborn child is determined?

Answer question numbers (a) - (d) on the basis of your understanding of the following paragraph and the related studied concepts : Different species use very different strategies for this. Some rely entirely on environmental cues. Thus, in some animals like a few reptiles, the temperature at which fertilised eggs are kept determines whether the animals developing in the eggs will be male or female. In other animals, such as snails, individuals can change sex, indicating that sex is not genetically determined. However, in human beings, the sex of the individual is largely genetically determined. In other words, the genes inherited from our parents decide whether we will be boys or girls. But so far, we have assumed that similar gene sets are inherited from both parents. How is sex determined in human beings ?

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