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प्रश्न
How drones are produced in honey bees?
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उत्तर
Through the process of parthenogenesis, drones are produced in honey bees.
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संबंधित प्रश्न
Which of the two, sperm or ovum, decides the sex of the child?
A normal cell of human body contains 23 pairs of chromosomes. The number of chromosomes in a sex cell (sperm or ovum) of a human being is most likely to be :
(a) 46
(b) 23
(c) 21
(d) 42
In human males all the chromosomes are paired perfectly except one. This/these unpaired chromosomes is/are :
(i) large chromosome
(ii) small chromosome
(iii) Y chromosome
(iv) X chromosome
Define the following:
Sex-linked characters
ZW-ZZ system of sex determination occurs in
What is male heterogamety?
From the following which option correctly represents the normal genetic constitution of a ovum?
Name the two types of gametes produced by men.
How is the sex of a newborn individual determined in different species of animals? Give three examples to support your answer.
Twins are born to a family that lives next door to you. The twins are a boy and a girl. Which of the following must be true?
