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In honeybees, females are overset("(i)")...

In honeybees, females are `overset("(i)")"____"` having `overset("(ii)")"____"` chromosomes and males are `overset("(iii)")"____"` having `overset("(iv)")"____"` chromosomes

A

`{:(" (i) (ii) (iii) (iv)"),("diploid 46 haploid 23"):}`

B

`{:(" (i) (ii) (iii) (iv)"),("haploid 23 diploid 46"):}`

C

`{:(" (i) (ii) (iii) (iv)"),("diploid 23 haploid 16"):}`

D

`{:(" (i) (ii) (iii) (iv)"),("haploid 23 diploid 32"):}`

Text Solution

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The correct Answer is:
C
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The disease sickle-cell anaemia is caused by the substitution of overset("(i)") "____" by overset("(ii)") "____" at the overset("(iii)") "____" position of overset("(iv)") "____" globin chain of haemoglobin molecule Which of the following correctly fills the blanks in the above statements ?

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Thoracic chamber is formed dorsally by the overset((i))"____" , vertrally by the overset((ii))"____" , laterally by the overset((iii))"____" and on lower side by the dome shaped overset((iv))"____" . Select the correct option to complete the above paragraph.

Complete the given table showing different possililities of genotypes and their corresponding blood group, by selecting the correct option {:("Genotypes",,"Blood groups"),(I^(A)I^(A)"," overset("(i)")("___"),,A),(I^(B)I^(B)"," overset("(ii)")("___"),,B),(overset("(iii)")("____"),,AB),(overset("(iv)")("____"),,O):}

Consider the following statements each with two blanks. (A) Seminiferous tubules produce overset((i))"_____" while Leydig's cells produce overset((ii))"_____" . (B) In females, urethra is small and conducts overset((iii))"_____" while in males it conducts urine and overset((vi))"_____" . (C) The process of formation of spermatozoa form spermatogonia is called overset((v))"_____" and the process of maturation of spermatids into spermatozoa is called overset((vi))"_____" . Which one of the following options, gives the correct fill ups for the respective blanks numbers from (i) to (vi) in the statements?

The possibility of a female becoming haemophilic is extremely rare because mother of such a female has to be at least overset("(i)") "____" and father should be overset("(ii)") "____"

Assertion : In pigeons, females are heterogametic and males and homogametic Reason : In pigeons, females have ZW sex chromosomes and males have ZZ sex chromosomes.

Fill in the blanks with appropriate enzymes that being the required changes in the following (i) Trypsinogen overset(?)(to) Trypsin (ii) Caesin overset(?)(to) paracasein + Whey proteins (iii) RNA overset(?)(to) Ribonucleotides (iv) Triglycerides overset(?)(to) Fatty acids + Glycerol

NCERT FINGERTIPS-PRINCIPLES OF INHERITANCE & VARIATION-Principles Of Inheritance & Variation
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