Hermaphroditism PowerPoint PPT Presentations

Sequential hermaphroditism reverses its sex during its lifetime -protogynous female first ... Figure 47.8x Cleavage in a frog embryo ...

Create new individuals whose genes come from one parent (no fusion of egg & sperm) ... Development of an egg without fertilization. Whiptail lizard. Hermaphroditism ...

Title: Slide 1 Author: Jennifer Leslie Knod Last modified by: strauth Created Date: 9/19/2005 2:44:46 AM Document presentation format: On-screen Show (4:3)

Parthenogenesis-between-Daphnia, males of social insects, some fishes, amphibians, lizards Sexual-Fusion of haploid gametes to form a zygote;

Changes in life history are caused by changes in the allocation of energy ... reproduce daily. dogshark -few large eggs -grow slowly, reproduce after 25 years ...

Can be used to sex embryos in mammals 3. ... Temperature-dependent sex determination Alligators and turtles have no heteromorphic pair of chromosomes-sex is ...

FISH--Male/female development is regulated by genetic and hormonal control ... individuals develop first into females and turn later into males-Ex (Clown Fish) ...

(Based on material up to today's lecture) Example questions: Online quiz 1 ... Rough-skinned newt. Most males not mated. All females mated ...

Reclining Hermaphrodite: 1st-century BC sculpture ... categories of hermaphrodites: ... Ciara - rumored to have been a hermaphrodite. Until the age of 11. ...

Fish Farming vs Cattle Ranching ... FISH--Male/female development is ... individuals develop first into females and turn later into males-Ex (Clown Fish) ...

Cogenital Adrenal Hyperplasia: Gender, Behavior and Biology

Chapter 3: Sex Differences in Behavior: Sex Determination and Differentiation 3.25 The surge and pulse centers of the hypothalamus The Anteroventral periventricular ...

Reproductive System in Animals By: Kaitlin, Kayleen & Stephanie

Slide 1

Animal Reproduction Chapter 46

INTERSEX Dr. Ahmed Al Sayyad CHEO / University of Ottawa Sexual Differentiation Gonadal differentiation at 6-8 wk gestation TDF gene (Y-chromosome): stimulates gonads ...

Endocrinology genetic sex established at conception Direction of differentiation due to hormones Gonadal sex regulates the phenotypic sex Dev t of brain dependent ...

Title: Slide 1 Author: aisin Last modified by: aisin Created Date: 11/25/2005 2:31:44 PM Document presentation format: On-screen Show Other titles

Budding = asexual reproduction in which outgrowth becomes a new ... Parthenogenesis = development of an egg into new individual without fertilization ...

AMBIGUOUS GENITALIA AT BIRTH ... NEWBORN WITH AMBIGUOUS GENITALIA. GENERAL ... causes of ambiguous genitalia are many and complex, so it is important to ...

Chapter 46 Animal Reproduction Asexual and Sexual Reproduction Asexual reproduction is the creation of new individuals Whose genes all come from one parent Sexual ...

The study of ecological and evolutionary processes that explain the occurrence ... in elevating the rate of female egg in elevating the rate of female egg-laying, ...

Made of spongin, glass spicules, flagellated choanocytes ... Octopus, squid ( reduced/absent/or internal shell. Other mollusks facts. Respiration by gills ...

... homosexual acts are strictly forbidden These males may only take part in the initiation by being a mentor or ritual guardian (nyet-yangu) ...

Chapter 5. Anatomy and Embryology R3 Pelvic Viscera Embryonic development Female urinary and genital tract Closely related ...

saves energy and resources (no gonads or gametes, no finding mates, ... production of males (many fail to mate) -- is complicated; occurs more slowly ...

Bio& 242 A&P Unit 4 / Lecture 2 * What causes ambiguous genitalia? Pure gonadal dysgenesis - a female child who has a 46, XY karyotype, underdeveloped gonads ...

Puberty. Adulthood. Hormones in sexual development ... Hormones and puberty. Timing by the hypothalamus SCN. Anterior pituitary and growth hormone ...

Sperm small, mobile. Specialized Reproductive organs. Two parents (usually) ... queen stores sperm, fertilizes some ova (workers/queens) ...

Vertebrate Clonality: Genetics, Ecology, and Evolution of Sexual Abstinence

Most reproduce sexually, with swimming sperm and non-motile egg ... Examples jellyfish. Anthozoa: Polyps are dominant. Sea anemonies, and coral. Ctenophore ...

Specific mating behaviors assure ... PowerPoint Presentation PowerPoint Presentation Human reproduction involves intricate anatomy and complex behavior PowerPoint ...

reproduction (e.g. in plants, by runners (strawberries) or ... surmise what factors in life history or environment lead to different strategies, ...

... and fetal hormones. Maternal and environmental hormones. Society and ... Society and culture. North American Anglo views of intersexuality. Defined as abnormal ...

REI Genetics

Gwynne Lyons. Toxics Science and Policy Advisor WWF UK ... 20 % Sea Lions had aborted pups on an island ... Vacuolisation of sertoli cells. Impaired ...

It has as its aim sexual union with conspecifics of the opposite sex for the ... While their immediate aims differ, all instincts have the aim of eliminating the ...

physical characteristics and behaviors that ensure the success of an ... Plants with separate sexual functions in separate individuals are dioecious: ...

Dioecious = large clones. Monecious (hermaphrodites) = smaller plants ... In half of families but only 6% of species are dioecious ...

B. Elasmobranchii - 5 to 7 gill slits (sharks, skates, rays) ... hammerhead shark - separate nostrils. directional olfaction. 8/26/09. Slide 17 of 71 ...

Ambiguous Genitalia Neonatal Presentation Baby H Born 11/08/2003 Mother - Somalian origin P4 G4 others healthy, normal Booked, Rh negative, Syphilis negative, HIV ...

dna structure, dna replication, mitosis & cancer cp biology

lecture 6 general medicine_3rd semester development of urinary system and overview of its congenital malformation development of reproductive system: indifferent stage

PEDAL LACERATION: parts of the pedal disc (foot) detach from the rest of the ... Pedal Laceration, or Transverse Fission. Fungia scutaria. Asexual Reproduction ...

* * * * * * * * * * * * Soft coral polyps * Moth mimic and model ...

Female Islamic Circumcision ( Preputiectomy or preputiotomy) clitoral hood removed (female circumcision) to improve sensitivity and cleanliness ...

... Advantages of Asexual Reproduction Modes of Vegetative Reproduction Modes of Vegetative Reproduction Agamospermy/Apomixis Modes of Agamospermy Modes of ...

Chapter 25. The Animal Kingdom I: Introducing the Invertebrates. The Diversity of Animals ... Invertebrates that live in freshwater are more likely to have protected ...

... by environmental conditions (in aphids, rotifers, and some crustaceans) ... Daphnia, a freshwater crustacean, will change to asexual reproduction relative ...

individuals of the rare sex have greater fitness ... blood serum from women who were pregnant in San Francisco in the '60s found that ...

The feminine and masculine scores are calculated, the closer the difference ... had been asked to define masculine & feminine traits would they have agreed? ...

Chapter 27. Amenorrhea Berek & Novak s Gynecology 14th edition (p 1035~1068) R3 Jung Mi Byun Overview Primary amenorrhea : absence of menses at age 13years when ...

The one he's wearing now is black, with a black shirt and a very wide electric-blue tie. ... might shake in its boots over whether his reed frog changed sexes. ...

"18 minutes ago - COPY LINK TO DOWNLOAD = flip.ebookmarket.pro/psjul24/0974970174 | [PDF READ ONLINE] Twin Souls - Finding Your True Spiritual Partner | TWIN SOULS is the story of the Greatest Love the World has Ever Known The idea that none of us is truly alone, that everyone has a complimentary order of the opposite sex, has been a prevailing belief throughout the ages. From Plato s story of the Hermaphrodite who was split in two, eternally fated to search ceaselessly for its other half, to Schopenhauer s theories of soul attraction, the notion of twin souls has always been central in any metaphysical speculation on the evolution of humankind. "

Notes for Biology Mrs. Roberts Class

Syst me g nital classique (hermaphrodite) avec importantes glandes vitellog nes ... Leur forme est atypique car ils sont arrondis et ressemblent un tonneau ...