What is the main difference between sexual and asexual reproduction? Sexual reproduction just means combining genetic material from two parents.Asexual reproduction produces offspring genetically identical to the one parent.
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Puberty is the time in life when a boy or girl becomes sexually mature. It is a process that usually happens between ages 10 and 14 for girls and ages 12 and 16 for boys. It causes physical changes, and affects boys and girls differently. In girls: The first sign of puberty is usually breast development.

***Canine(dog) chromosomes = 78...
***Feline(cat) chromosomes = 38...
***Swine (pig) = 38 chromosomes...
***Equine(horse) = 64 chromosomes...
***Caprine(goats) = 60 chromosomes...
***???So how many chromosome pairs would lions have...Use formula 2N

Facts to know: 1. Who wrote the book?
                            2. How old was author when she wrote it?
                            3. Where was it written(country)?
                            4. Where did the story take place(country)?
                            5. What was the assistants' spinal curvature?
                            6. What was the most famous line from the movie?
                            7. What kind of  brain was Frankie given?
                            8.  What year in Roman numerals was this original movie made?

***Fines issued for all texts not turned in...You Must Always Follow Timeline and Due dates-
***Students are not to tell the instructor when an assignment is due or when THEY will turn it in...
HW: start reviewing webpage chapter by chapter...
Cat Dissection WS.docx Cat Dissection WS.docx
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         Male                                                                       Female


Pig Dissection ws.html Pig Dissection ws.html
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Wednesday-5/22...CW: Textbooks collected grades 10-11...
Fetal Pig Dissection...Limited quantities...
***Video and WS above...
HW: Always review webpage...
mink_dissection lab.docx mink_dissection lab.docx
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Thursday-5/23...CW: Mink Dissection...1/class...Pds 1 and 2, only...
***Video and WS above...
***Anatomy video fro class not dissecting...2 days...
***The original Frankenstein...credited as the first Anatomy movie....things discussed in the original story that have never been done before...a CLASSIC...Thursday and Friday...Pay attention to the author who wrote the story!
HW: Always review webpage...
         Female                                              Male
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Student Guide to the Frog Dissection.html Student Guide to the Frog Dissection.html
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Rat Dissection Student Version (2).docx Rat Dissection Student Version (2).docx
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sheep_brain_dissection.docx sheep_brain_dissection.docx
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***Dissection is a privilege...Poor Behaviors not conducive to safety and preparedness watching my videos will determine dissections...

HW: always check webpage...

***The tapetum lucidum is a biologic reflector system that is a common feature in the eyes of vertebrates. It normally functions to provide the light-sensitive retinal cells with a second opportunity for photon-photoreceptor stimulation, thereby enhancing visual sensitivity at low light levels.

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***UCLA STD video...https://youtu.be/vNs_u_S8pmw
Here are some common STDs and sexually-associated diseases that you should be knowledgeable about.
  • Chlamydia. undefined. ...
  • Gonorrhea. Gonorrhea, otherwise known as "the clap," is another common bacterial STD. ...
  • Syphilis. ...
  • Mycoplasma Genitalium. ...
  • Trichomoniasis. ...
  • Human Papilloma Virus (HPV) ...
  • HIV/AIDS. ...
  • Crabs/Pubic Lice.
  • HW: Review ch 15.5...
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***Facts to Know for Summative test tomorrow(courtesy of 2 students who asked me for this)
1. Know eggs and sperm count as on previous test
2. The spermatic cord surrounds bladder in males and as I taught you ,secretes alkaline nourishing fluid
3. know sperm anatomy
4. what age is puberty from previous test
5. know male and female anatomy diagrams from past test
6. know uterine structures and layers
***7. Uterine tubes(fallopian) are suspended by fallopian ligament and forms a funnel opening called infundibulum
8. Know bulbourethral(cowper's) that produces seminal carbs for nutrients
9. Know what is all on my page...it's updated twice daily...
10. know STD's-causes and treatment
HW: Summative test 100 pts tomorrow...


***Male and female reprod cancers...
...All students are accountable for missed work...

***In vitro Fertilization(IVF) and Twins...

IVF step by step

***Gemellology...Study of twins...

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Monozygotic Twins(Identical) below...

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Dizygotic Twins(Fraternal) below...

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CW: Pregnancy week by week...video...
***A baby develops rapidly during the first trimester. The fetus begins to develop a brain and spinal cord, and the organs begin to form. The baby's heart will also begin to beat during the first trimester. ... By the end of the first trimester, the baby's sex organs have formed.

***The baby's organs become fully developed during the second trimester. The baby can also start to hear and swallow. ... Later on in the second trimester, the baby will begin to move around. It will develop sleeping and waking cycles that a pregnant woman will begin to notice.

***Fetal development continues during the third trimester. Your baby will open his or her eyes, gain more weight, and prepare for delivery.
HW: Read ch 15.4...Always review...

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 Miracle of life video...
Pregnancy-3 Trimesters...
1st Trimester-week 1-12
2nd Trimester-week 13-26
3rd Trimester-week 27-40
HW: review ch 15 to date
***Females born with  about 400 ova and don't make any...
***Males produce  millions of sperm throughout their lifetime...***about 50 -130 million per ml.
***Puberty: Approx. ages 9-15...can extend further...
***Menopause is the time that marks the end of your menstrual cycles. It's diagnosed after you've gone 12 months without a menstrual period. Menopause can happen in your 40s or 50s, but the average age is 51 in the United States. Menopause is a natural biological process.
***Karyotype...Chromosome map by size order and characteristic bands...

Down's Syndrome...Trisomy 21...
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Edward's syndrome-Trisomy 18
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Klinefelter syndrome-XXY

Young man standing with his shirt off to show a lack of body hair and enlarged breasts. Diagram showing an extra X chromosome.

Turner Syndrome-only 1 X

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The human chorionic gonadotropin (hCGtest is done to check for the hormone hCG in blood or urine. Some hCG tests measure the exact amount. ... HCGis made by the placenta during pregnancy. The testcan be used to see if a woman is pregnant.

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Phases of Menstruation...short video...

***Menstruation video: https://youtu.be/tOluxtc3Cpw
***Easy video...https://youtu.be/l_wX285vrrU
HW: read sec. 15.3 and always check web page...
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Related image

menstrual hormones

Flowchart of Hormonal Actions During Menstrual Cycle
menstrual flowchart

HW: Re-read sec. 15.4...
***Parts of a Sperm

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Image result for parts of an egg cellEgg cell

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Friday-4/26...CW: Ch 15 reproductive formative quiz 1...20 Q = 50 pts...
HW: Review ch 15.1 and 15.2...Always review webpage...

***Sequence: Testes-Seminiferous tubules-epididymis-vas deferens-ejaculatory duct-prostate gland-bulbourethral gland(cowper's)-urethra-penis

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***Male Reprod video...https://youtu.be/bHBDdmj1yIs
***Male accessory glands (MAG) in humans are the seminal vesicles, prostate gland, and the bulbourethral glands (also called Cowper's glands)

***The prostate is a walnut-sized gland located between the bladder and the penis. The prostate is just in front of the rectum. The urethra runs through the center of the prostate, from the bladder to the penis, letting urine flow out of the body.

The prostate secretes fluid that nourishes and protects sperm. During ejaculation, the prostate squeezes this fluid into the urethra, and it’s expelled with sperm as semen.

***The secretions produced by the Cowper's glands help to protect sperm as it passes through the urethra during ejaculation. In response to sexual stimulation prior to ejaculation, the Cowper's glands begin producing an alkaline mucous secretion known as pre-ejaculate

***Sequence: Ovaries-Fimbriae-uterine tubes(Fallopian)-uterus(Fundus-Body)-Cervix-Vagina
***Layers of Uterus-Endometrium-Myometrium-Perimetrium-  Metra root word  = womb...
***Female video today...https://youtu.be/ATqgNmJEqXw

Mitosis vs Meiosis Worksheet (1).doc Mitosis vs Meiosis Worksheet (1).doc
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***Video 1...https://youtu.be/fcGDUcGjcyk
***Video 2...Mitosis vs Meiosis ...https://youtu.be/zrKdz93WlVk

Mitosis vs Meiosis answer key.pdf Mitosis vs Meiosis answer key.pdf
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CW: Meiosis(text p. 530)...video
***Meiosis video: https://youtu.be/VzDMG7ke69g
***Puberty video:https://youtu.be/tKfJ8w7XX6E
Puberty(text p. 532)...video
HW: Re-read sec. 15.1 and read sec. 15.2 for possible quiz on Mitosis/meiosis/Puberty/WS...

***Students are accountable for any or all readings from the text assigned and this webpage...

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***Females: Menarche(text p. 533): 1st menstrual bleeding...
***Males: Nocturnal emissions(wet dreams)-text p. 533...

Mitosis vs. Meiosis: Key Differences, Chart and Venn Diagram

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front view of female reproductive system