Correct underlined words and complete the sentence :
Sex refers to the social aspects of differences between male and female.
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Male XX and female XY sometime occur due to :
Correct Answer - D Hormondal inbalance may lead to developmentof male characters in female or vice versa. Deletion is the removal of one of few nitrogenous bases from a nucleotide chain....
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A fruit fly heterozygous for sex-linked genes, is mated with normal female fruit fly. Male specific chromosome will enter egg cell in the proportion
Correct Answer - A Genes which are present on sex chromosomes are called sex linked genes. Male Drosophila contains XY sex chromosome, while female contains XX-chromosomes. During gamete formation male produces...
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Write the types of sex-determination mechanisms the following crosses show. Give an example of each type. i) Female XY with Male XO ii) Female ZW with
i) The type of sex determination mechanism shown in female XX with male XO is male heterogamety. Example- Human ii) The type of sex determination mechanism shown in female ZW...
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Identify and write the correct statement : (a) Drosophila male has one X and one Y chromosome. (b) Drosophila male has two X chromosomes.
(a) True. (Drosophila male has one X and one Y chromosome)
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Social aspects, Economical aspect, Traditions. Capitalist Economy, Mixed Economy, Indian Economy.
1. Economical aspect 2. Indian Economy
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(i) Social group is a system of ………………….. (social status / social group / social interaction)
(i) social interaction (ii) collective (iii) Dyad (iv) Primary Group (v) George Simmel
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There is a close reciprocal relationship between social class and education. Explain how education is one of the main levers of social class.
Education is a means to help develop ideas and skills, generate knowledge and help people to seek employment or self employment which further helps to change one’s social position. Higher...
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A) In India, 103 female babies are bom against 100 male babies.
D) The age group of 0 – 5, the number of boys who survive’is much lo wer than girls
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In India, ……………….. female babies are born against 100 male babies.
Correct option is A) 103
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Due to the preference for male children parents may decide to abort female child ……………….
Correct option is A) before birth
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