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Assertion (A) Human beings have 23 pair of chromosomes, one of which is the sex chromosomes and the remaining are 22 autosomes. The X-linked disease are related to mutation on a sex chromosomes.
Reason (R) Colour blindness results from a mutation in X-chromosome.
The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph. P: Anxiety disorders are real and as serious as any other physical disorder. Q: The term "anxiety disorder" refers to specific psychiatric disorders that involve extreme fear or worry. R: It includes generalized anxiety disorder (GAD),  panic disorder and panic attacks, social anxiety disorder, separation anxiety, and specific phobias. S: Anxiety disorders are the most common and prevalent mental disorders. It can influence our general behaviour and thereby affects our everyday activities.
Which of the following statements are correct about sex ratio (number of females per 1000 males) in Rajasthan according to Census 2011? i. Sex ratio in Rajasthan in 2011 was less than the National average. ii. Sex ratio in all Districts of Rajasthan in 2011 was less than 1000. iii. Sex ratio in rural areas of all Districts of Rajasthan in 2011 was less than 1000, except Pali District. iv. Sex ratio in urban areas of all Districts of Rajasthan in 2011 was less than 1000, except Dholpur District. Select the correct answer using codes given below:
Examine the following statements about the 'population sex ratio' as per the 2011 census and Government of Telangana: A. The sex ratio of Telangana was 988 which implies that it is not in favour of females. B. As per district-wise sex ratio, eleven districts of Telangana had more female population than the male population. C. Sex ratio in thirteen districts was less than the state average. D. Sex ratio in twenty-one districts of Telangana was more than the state average. Choose the correct answer:
Which of the following statements are correct about the sex ratio (number of females per 1000 males) in Rajasthan according to census 2011? (i) Sex ratio in Rajasthan in 2011 was less than the National average. (ii) Sex ratio in all Districts of Rajasthan in 2011 was less than 1000. (iii) Sex ratio in rural areas of all districts of Rajasthan in 2011 was less than 1000, except Pali District. (iv) Sex ratio in urban areas of all Districts of Rajasthan in 2011 was less than 1000, except Dhaulpur District. Select the correct answer using the codes given below:
Consider the following statements regarding Genome Sequencing: 1. Genome sequencing is figuring out the order of DNA nucleotides, or bases, in a genome—the order of Adenine, Cytosine, Guanines, and Thymine that make up an organism's DNA. 2. Human genome is made up of 46 chromosome pairs with a total of about 3 billion DNA base pairs. 3. There are 24 distinct human chromosomes: 22 autosomal chromosomes, plus the sex-determining X and Y chromosomes. Which of the statements given above is/are correct?
Consider the following statements.
1. Human beings have 23 pairs of chromosomes.
2. Sex chromosome in human male are named XY.
3. Chromosomes are best seen in metaphase.
Which of the statements given above is/are false about chromosomes?
Consider the following statements.
1. Allosomes, i.e. chromosomes which are responsible for determination of sex e.g. X and Y chromosomes.
2. Autosomes, i.e. chromosomes, which determine the somatic characters.
Which of the statement(s) given above is/are true?
Mark the correct statement regarding sex chromosomes? 1. Women have a perfect pair of sex chromosomes, both called X 2. Men have a mismatched pair in which one is a normal-sized X while the other is a long one called Y
Assertion (A) In humans, female sex is determined by XX-chromosomes.
Reason (R) Male sex is determined by XY-chromosomes.