Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Sex-linked Disorders01:43

Sex-linked Disorders

Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
The Ratio of X Chromosome to Autosomes02:45

The Ratio of X Chromosome to Autosomes

In most organisms, sex is determined by the ratio of X and Y chromosomes. However, in some organisms, such as Drosophila and C.elegans, sex is determined by the ratio of the number of X chromosomes to the number of sets of autosomes. The Y chromosome in Drosophila is active but does not determine sex. It contains genes responsible for the production of sperms in adult flies.  
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female Drosophila...
X and Y Chromosomes02:32

X and Y Chromosomes

Among mammals, the gender of an organism is determined by the sex chromosomes. Humans have two sex chromosomes, X and Y. Every human diploid cell has 22 pairs of autosomes and one pair of sex chromosomes. A human female has two X chromosomes, while a male has one X chromosome and one Y chromosome.
The germline cells such as egg and sperm cells carry only half the number of chromosomes, i.e., 22 autosomes and one sex chromosome. All eggs have an X chromosome, while sperm cells can carry an X or...
Sex Linked Disorders01:43

Sex Linked Disorders

Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
Socioemotional Experience and Gender Development01:30

Socioemotional Experience and Gender Development

Social-emotional experiences and cultural influences play significant roles in shaping gender development. During middle childhood, from ages 6 to 11, peer groups become dominant in reinforcing gender norms. Children in this age group often align with same-gender peer groups, which actively encourage behaviors that conform to traditional gender roles. For instance, boys may be discouraged from engaging in activities perceived as feminine, reinforcing culturally dictated norms about masculinity...
The Y Chromosome Determines Maleness02:19

The Y Chromosome Determines Maleness

The Y chromosome is a sex chromosome found in several vertebrates and mammals, including humans. In addition to 22 pairs of autosomes, the human males have one X chromosome and one Y chromosome. In these organisms, the presence or absence of the Y chromosome determines the development of male traits.
Evolution
Around 300 million years ago, the two sex chromosomes diverged from two identical autosomal chromosomes. Over time, the Y chromosome has lost most of its genes, shrinking in size. Today,...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The effect of dexamethasone on inflammatory markers of surgical stress: a randomized trial in robotic hysterectomy.

BMC surgery·2026
Same author

Very early medical abortion before confirmed intrauterine pregnancy.

Danish medical journal·2026
Same author

Clinico-pathological characteristics of adult granulosa cell tumors of the ovary and the role of staging surgery: A national database study.

Gynecologic oncology·2026
Same author

The effect of dexamethasone in laparoscopic abdominal surgery - a review on inflammatory markers for stress response.

BMC surgery·2025
Same author

Association between ovarian sex cord-stromal tumors and non-hormone-sensitive cancers: A nationwide nested cohort study.

Journal of gynecology obstetrics and human reproduction·2025
Same author

Ovarian sex cord-stromal cell tumors and the risk of sex hormone-sensitive cancers.

American journal of obstetrics and gynecology·2025

Related Experiment Video

Updated: Jun 17, 2026

Sex Stratified Neuronal Cultures to Study Ischemic Cell Death Pathways
10:44

Sex Stratified Neuronal Cultures to Study Ischemic Cell Death Pathways

Published on: December 9, 2013

Gender-specific knowledge on sex.

Finn Friis Lauszus1, Aiste Ozeraityte Kloster, Jacob Lauesgaard Nielsen

  • 1Gynaecology Department, Herning Hospital, Herning, Denmark. finnlaus@rm.dk

Archives of Gynecology and Obstetrics
|January 13, 2010
PubMed
Summary

Adolescents increasingly rely on media, including pornography, for sex education, alongside traditional sources like school and peers. Knowledge of abortion laws varied, with sexually active boys demonstrating better understanding than inexperienced girls.

More Related Videos

Protocol for Studying Extinction of Conditioned Fear in Naturally Cycling Female Rats
09:07

Protocol for Studying Extinction of Conditioned Fear in Naturally Cycling Female Rats

Published on: February 23, 2015

Establishment of Rat Models Mimicking Gender-affirming Hormone Therapies
06:24

Establishment of Rat Models Mimicking Gender-affirming Hormone Therapies

Published on: January 10, 2025

Related Experiment Videos

Last Updated: Jun 17, 2026

Sex Stratified Neuronal Cultures to Study Ischemic Cell Death Pathways
10:44

Sex Stratified Neuronal Cultures to Study Ischemic Cell Death Pathways

Published on: December 9, 2013

Protocol for Studying Extinction of Conditioned Fear in Naturally Cycling Female Rats
09:07

Protocol for Studying Extinction of Conditioned Fear in Naturally Cycling Female Rats

Published on: February 23, 2015

Establishment of Rat Models Mimicking Gender-affirming Hormone Therapies
06:24

Establishment of Rat Models Mimicking Gender-affirming Hormone Therapies

Published on: January 10, 2025

Area of Science:

  • Adolescent Health
  • Reproductive Health Education
  • Media Studies

Background:

  • Adolescents seek information on sensitive topics like sex education, reproductive physiology, and abortion.
  • Understanding the sources of this knowledge is crucial for effective health education strategies.

Purpose of the Study:

  • To investigate the sources of knowledge sought by adolescents regarding sex education, reproductive physiology, and abortion.
  • To compare current information-seeking behaviors with previous studies.

Main Methods:

  • A cross-sectional questionnaire study was conducted among 9th-grade pupils in Viborg, Denmark in 2007.
  • Data was compared with similar studies from 1986, 1993, and 2000.

Main Results:

  • In 2007, 64% of pupils knew the legal limits for abortion; knowledge varied by gender and sexual experience.
  • School and friends/peers remained significant information sources.
  • Screen-based media and magazines, often containing pornography, emerged as a notable third source for both genders.

Conclusions:

  • School and peer groups continue to be primary sources for adolescent sexual education.
  • Media, particularly screen-based and magazines with pornographic content, play an increasingly significant role in shaping adolescents' understanding of sexual health and abortion.