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Transgenic mice: generation and husbandry

Transgenic mice: generation and husbandry

Transgenic mice: generation and husbandry. Transgenic vs. “knock-out”. Transgenic: an organism that has had DNA introduced into one or more of its cells artificially “transgenic”: DNA is integrated in a random fashion by injecting it into the pronucleus of a fertilized ovum

By Jimmy
(319 views)

Animal Development

Animal Development

Animal Development. Stages of Early Embryonic Development Cellular an Molecular Basis of Morphogenesis and Dfferentiation. Preformation vs Epigenesis. Preformation -suggested smaller organisms was found in the sex cell(s)

By kaethe
(288 views)

Basic Embryology

Basic Embryology

Basic Embryology. Embryology. Definition: the study of the origin and development of an organism Prenatal period: before birth 38 weeks from conception to birth (average) “fetal” age Gynecologic timing has been from LMP therefore refers to 40 weeks “gestational” age

By gabby
(987 views)

Models in Genetics

Models in Genetics

Models in Genetics. Of Mice and Men Patricia Sidelsky BS/MS Biology Cherokee High School Marlton, NJ. What is a Genetic Model ?. Genes on chromosomes have been mapped Genome has been sequenced Significant for genetic content - relevance to man and society

By afric
(240 views)

Chapter 16 Pregnancy & Development

Chapter 16 Pregnancy & Development

Chapter 16 Pregnancy & Development. Notice: This presentation contains actual pictures of human reproductive anatomy. Menstrual (Uterine) Cycle. Cyclic changes of endometrium Regulated by estrogens & progesterone Stages 1. Menses – endometrium is sloughed

By lois
(189 views)

Chapter 29 Human Development

Chapter 29 Human Development

Chapter 29 Human Development. Fertilization and preembryonic development Embryonic and fetal development The neonate Aging and senescence. Sperm Migration. Majority of sperm do not make it to egg destroyed by vaginal acid fail to penetrate the cervical canal mucus

By rea
(1160 views)

Lecture 19 Reproductive Systems

Lecture 19 Reproductive Systems

Lecture 19 Reproductive Systems. Somatic cells (human) have _______ pairs chromosomes Diploid vs Haploid Division by _______________ Gamete production: Division by _____________ Number of division cycles __________ Number of hypothetical resulting cells________

By lilike
(144 views)

Development

Development

A. Development during pregnancy 1. Fertilization 2. Formation of the morula 3. Development of the blastocyst 4. Implantation B. Embryonic development 1. Beginnings of organ systems 2. Embryonic membranes

By pekelo
(211 views)

Health Effects of the Separation of Conjoined Twins:

Health Effects of the Separation of Conjoined Twins:

Health Effects of the Separation of Conjoined Twins:. An issue involving physical, ethical, and psychological dimensions. Introduction. Imagine having a sibling constantly at your side, waking up every morning to find your sibling lying right next to you.

By ostinmannual
(383 views)

Higher level- Menstrual Cycle

Higher level- Menstrual Cycle

Higher level- Menstrual Cycle. Hormonal control in the menstrual cycle. Four hormones involved: FSH (Follicle Stimulating Hormone) Oestrogen LH (Luteinising Hormone) Progesterone Each hormone causes the production of the hormone following it and inhibits the hormone preceding it.

By rosemarie
(320 views)

Reptile Derivatives

Reptile Derivatives

Reptile Derivatives. Birds and mammals. Archaeopteryx = “first” bird. Reptilian features teeth, tail, pelvis – no sternum skull features Avian (bird) features feathers, longer front limbs. Shy feathers; insulation. Why fly?: to glide from tree to tree

By turner
(73 views)

By Prof. Saeed Abuel Makarem

By Prof. Saeed Abuel Makarem

Implantation. By Prof. Saeed Abuel Makarem. Cleavage begins 30 hours after fertilization. Definition: It is the process by which the Blastocyst penetrates the superficial (Compact) layer of the endometrium of the uterus. Site:

By ata
(176 views)

Differentiation and development

Differentiation and development

Differentiation and development. Development involves: 1) Cell division and differentiation Differentiation is the creation of different types of cells 2)  Changes in anatomical structures Anatomical changes include g radual modification of physical and physiological characteristics

By talen
(132 views)

Fertilization and Development

Fertilization and Development

Fertilization and Development. Fertilization. Until this point, we have assumed that the released egg was not fertilized by a sperm However, if sperm are in the Fallopian tube, there is a chance that the egg will become fertilized Sperm attaches by finding binding sites on egg

By abby
(172 views)

Fertilization & Early Development

Fertilization & Early Development

Fertilization & Early Development. zygote. morula. Solid ball of cells 3 days after fertilization. blastocyst. Morula continues cell division and hollows out to form a blastocyst (day 5 – week 2). trophoblast. The cells that form the wall of the blastocyst. inner cell mass.

By chung
(99 views)

MCB 135 E

MCB 135 E

MCB 135 E. Discussion 2 September 13-17, 2004. Physiology of Human Development. GSI – Jason Lowry E-Mail – Jlowry@Berkeley.Edu Office Hours – Thursday 1-2pm in 208 Donner Discussions: Thursday 11-12 in 130 Wheeler Friday 2-3 in 219 Dwinelle

By kendall
(88 views)

Cloning and Stem Cells Jeopardy !

Cloning and Stem Cells Jeopardy !

Cloning and Stem Cells Jeopardy !. Waterford Union High School. Rules. Each team sends one person per turn. They cannot get help from their team First to “buzz” in gets 15 seconds to answer.

By rusti
(71 views)

بسم الله الرحمن الرحيم

بسم الله الرحمن الرحيم

بسم الله الرحمن الرحيم. Second week of development ( bilaminar disc. 1- Further development of the Trophoblast. The trophoblast differentiates into cytotrophoblast & syncytiotrophoblast . Cells of the cytotrophoblast divide and migrate externally.

By guy
(255 views)

The Menstrual Cycle & Pregnancy

The Menstrual Cycle & Pregnancy

The Menstrual Cycle & Pregnancy. Honors anatomy & physiology The reproductive system Part 3. Female Reproductive Cycle. 2 parts: Ovarian Cycle series of events in ovaries occurring during & after maturation of oocyte Uterine (Endometrial) Cycle concurrent with ovarian cycle

By koren
(165 views)

HLT31507 CERTIFICATE III IN NUTRITION & DIETETIC ASSISTANCE

HLT31507 CERTIFICATE III IN NUTRITION & DIETETIC ASSISTANCE

HLT31507 CERTIFICATE III IN NUTRITION & DIETETIC ASSISTANCE. THE REPRODUCTIVE SYSTEM delivered by: Mary-Louise Dieckmann. Gonads – primary sex organs Testes in males Ovaries in females Gonads produce gametes (sex cells) and secrete hormones Sperm – male gametes

By nysa
(92 views)

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