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Female Ascaris can be differentiated from male by _________
- a)presence of Cloaca
- b)presence of penial setae
- c)shorter size than the male and curved posterior end
- d)longer than the male and straight posterior end
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Female Ascaris can be differentiated from male by _________a)presence ...
Explanation:
Ascaris is a genus of parasitic nematode worms known as roundworms. They are dioecious, meaning that there are separate male and female individuals. Female Ascaris can be differentiated from males based on several characteristics.
Presence of Cloaca:
A cloaca is a common opening for the excretory and reproductive systems. In female Ascaris, the presence of a cloaca is one of the distinguishing features. The cloaca serves as the site for the release of eggs and also for the elimination of waste materials. The male Ascaris, on the other hand, does not have a cloaca.
Presence of Penial Setae:
Penial setae are small bristle-like structures found in male Ascaris. They are used for copulation and are absent in females. These structures aid in the transfer of sperm from the male to the female during mating.
Shorter Size and Curved Posterior End:
Female Ascaris are generally shorter in size compared to males. They also have a curved posterior end. This is because the female reproductive organs, including the ovaries and oviducts, are located towards the posterior end of the worm. The curvature allows for easier egg release through the cloaca.
Longer Size and Straight Posterior End:
In contrast to females, male Ascaris are longer in size and have a straight posterior end. This is because male reproductive structures, such as the testes and seminal vesicles, are located in the middle of the body. The straight posterior end facilitates the transfer of sperm through the penial setae during copulation.
Conclusion:
In summary, the presence of a cloaca, absence of penial setae, shorter size with a curved posterior end, and longer size with a straight posterior end are the distinguishing characteristics that allow for the differentiation of female Ascaris from males.
Ascaris is a genus of parasitic nematode worms known as roundworms. They are dioecious, meaning that there are separate male and female individuals. Female Ascaris can be differentiated from males based on several characteristics.
Presence of Cloaca:
A cloaca is a common opening for the excretory and reproductive systems. In female Ascaris, the presence of a cloaca is one of the distinguishing features. The cloaca serves as the site for the release of eggs and also for the elimination of waste materials. The male Ascaris, on the other hand, does not have a cloaca.
Presence of Penial Setae:
Penial setae are small bristle-like structures found in male Ascaris. They are used for copulation and are absent in females. These structures aid in the transfer of sperm from the male to the female during mating.
Shorter Size and Curved Posterior End:
Female Ascaris are generally shorter in size compared to males. They also have a curved posterior end. This is because the female reproductive organs, including the ovaries and oviducts, are located towards the posterior end of the worm. The curvature allows for easier egg release through the cloaca.
Longer Size and Straight Posterior End:
In contrast to females, male Ascaris are longer in size and have a straight posterior end. This is because male reproductive structures, such as the testes and seminal vesicles, are located in the middle of the body. The straight posterior end facilitates the transfer of sperm through the penial setae during copulation.
Conclusion:
In summary, the presence of a cloaca, absence of penial setae, shorter size with a curved posterior end, and longer size with a straight posterior end are the distinguishing characteristics that allow for the differentiation of female Ascaris from males.
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Female Ascaris can be differentiated from male by _________a)presence ...
Ascaris shows sexual dimorphism. Female Ascaris is longer than male and has a straight posterior end while the males are shorter than females and have a curved posterior tail.
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Female Ascaris can be differentiated from male by _________a)presence of Cloacab)presence of penial setaec)shorter size than the male and curved posterior endd)longer than the male and straight posterior endCorrect answer is option 'D'. Can you explain this answer?
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