Sex Determination
Sex Determination: Overview
This Topic covers sub-topics such as Mutation, Down’s Syndrome, Aneuploidy, Structural Changes in Chromosomes, Numerical Changes in Chromosome and, Sex Determination in Humans
Important Questions on Sex Determination

Translocation involves the exchange of parts between two homologous chromosomes to form new chromosomes.

_____ involves the rotation of chromosomes or a set of genes.

Structural changes in the chromosomes usually occurs due to errors in cell cycle.



Down's syndrome is associated with a defect in which chromosome?

Organisms having more than two normal sets of chromosomes (2n) are called monoploids.


In humans, women have a perfect pair of sex chromosomes, both called _____.


Which of the following disease is caused due to a change in the number of autosomes?



A person A has only B chromosomes in all its gametes. On the other hand, another person C has chromosome D in half of gametes and chromosome E in the other half of gametes. When chromosomes B and D combine during fertilization, a female zygote results. On the other hand, combination of B and E chromosomes produces a male zygote.
Out of the two persons A and C, which one is male?

Congenital analgesia is a type of mutation in which a person _________.

In a small town in Argentina, people have developed resistance to poison by drinking water that contains _____ level of arsenic required to kill a person.

Which gene is responsible for sleeping mutation?

Which enzyme is responsible for sealing the DNA strand?

A system for recognizing and repairing errors in DNA replication and recombination is called _________.
