Reproduction is usually secual with both male and female sexes, however asexual reproduction does exist with several unique adaptations. A. Discuss comprehensively the types of parthenogenesis and give an example of insect of each type
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Reproduction is usually secual with both male and female sexes, however asexual reproduction does exist with several unique adaptations.
A. Discuss comprehensively the types of parthenogenesis and give an example of insect of each type
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- Reproduction is usually sexual with both male and female sexes, however asexual reproduction does exist with several unique adaptations. a) Discuss comprehensively the types of parthenogenesis and give an example of insect of each type.Asexual reproduction does exist with numerous unique adaptations, but it is normally sexual with both male and female sexes. a) Describe the different types of parthenogenesis and give an example of each type of insect. b) List and briefly describe four important elements that affect a female's ability to generate eggs and the amount of eggs that are oviposited.The species Taenia saginata is a parasitic worm of humans. The parasite's life cycle is as follows: Hermaphroditic adults live in the small intestine cavity of an infected human. The adult worm consists of rings that are produced in the anterior region of the worm, in which there is production of male gametes which fertilize female gametes then these rings (called proglottids) detach from the posterior end of the worm and exit in the external environment through the anus of the infected human. The eggs resulting from fertilization, present in the proglottids, are released and can infect a bovid if they are ingested along with grass. In the bovid, the developing eggs are particularly localized in the muscles of the bovid and turn into a shape called a cysticercus (each egg becomes a cysticercus). 1-Specify which species is the definitive host of the parasitic worm, justifying your answer 2- Specify the type of parasitism of this worm, justifying your answer 3-Specify which is (are) the…
- Differentiate between following. a. specification and determination in development b. anisogamy and hetrogamy with 2 examples c. seminiferous tubules and sperm ampullae d. deuterostome and protostomes with the help of examplesReproduction is usually secual with both male and female sexes, however asexual reproduction does exist with several unique adaptations. Enumerate and explain four major factors that influence the ability of female to produce eggs and the number that are oviposited.Differentiate between following. a. specification and determination in development b. anisogamy and hetrogamy with 2 examples c. seminiferous tubules and sperm ampullae d. deuterostome and protostomes with the help of example
- Reproduction is usually sexual with both male and female sexes, however asexual reproduction does exist with several unique adaptations. b) Enumerate and briefly explain four major factors that influence the ability of the female to produce eggs and the number that are oviposited.Define the two alternatives of bisexual reproduction-parthenogenesis and hermaphroditism, and give a specific example from the animal kingdom for each. Also differentiate meiotic and ameiotic parthenogenesis.IDENTIFY: A specialized receptive structure that guides the male gamete for fertilization in the genus Polysiphonia.
- In Ascaris, meiosis and oocyte maturation occur at the same time. Describe the stages that oocytes go through as they pass from the ovaries to the uterus in these worms.Disorder of Sex Determination Now that you have reviewed typical sexual determination in humans, it is time to review some case studies of patients that present with sex determination disorders. Using the symptoms presented, research online to determine the nature of the disorder, its mechanism (what causes the disorder) and also any complications and treatment options that may exist. Case 1 A 16-year old patient presents with the following symptoms: Presents as normal external female Did not develop breasts at puberty Did not proceed through menarche (first menstrual cycle) Genetic karyotyping revealed XY Gonadal 'streaks' found upon internal examination Diagnosis Mechanism Possible Complications and Recommendations(a) Which Mimulus species would you categorize as mainly asexual? Why?