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Question
Drone of the honeybees shows haploid number of chromosomes. Illustrate.
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Solution
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RELATED QUESTIONS
"The sex of a newborn child is a matter of chance and none of the parents may be considered responsible for it". Draw a flow chart showing determination of sex of a newborn to justify this statement.
There are ................ pairs of chromosomes in the human being.
Kavitha gave birth to a female baby. Her family members say that she can give birth to only female babies because of her family history. Is the statement given by her family members true? Justify your answer.
Match the items of Column I with Column II:
| Column I | Column II | ||
| i. | XX-XO method of Sex Determination | a. | Turner syndrome |
| ii. | XX-XY method of Sex Determination | b. | Female heterog ametic |
| iii. | karyotype-45 | c. | Grasshopper |
| iv. | ZW-ZZ method of Sex Determination | d. | Female homogametic |
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Some dinosaurs had feathers although they could not fly but birds have feathers that help them to fly. In the context of evolution this means that
Sex in honey bee is determined by ______.
Does a male child inherit X chromosome from his father? Justify.
Which of the following organisms exhibits the XX–XY sex determination system?
In the XX–XO sex determination system, what does the 'O' represent?
