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 Experiment Videos

Sex related embryo development.

H P Kochhar1, J Peippo, W A King

  • 1Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada NIG 2W1.

Theriogenology
|February 24, 2001
PubMed
Summary

Mammalian embryonic development shows sex differences before gonad differentiation. Male embryos may develop faster due to cell accumulation and Y-chromosome gene activity, while females benefit from X-chromosome gene functions.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

A National System of Mortality Registration.

Texas medical journal (Austin, Tex.)·2023
Same author

Karnes County Medical Society.

Texas medical journal (Austin, Tex.)·2023
Same author

Effects of EGF and melatonin on gene expression of cumulus cells and further <i>in vitro</i> embryo development in bovines.

Zygote (Cambridge, England)·2022
Same author

Whole blood transcriptome analysis reveals footprints of cattle adaptation to sub-arctic conditions.

Animal genetics·2019
Same author

De novo transcription of thyroid hormone receptors is essential for early bovine embryo development in vitro.

Reproduction, fertility, and development·2017
Same author

Choosing a culture medium for SCNT and iSCNT reconstructed embryos: from domestic to wildlife species.

Journal of animal science and technology·2017

Area of Science:

  • Developmental Biology
  • Genetics
  • Reproductive Biology

Background:

  • Mammalian embryonic development exhibits sexual dimorphism prior to gonad differentiation.
  • Existing observations present conflicting data and knowledge gaps regarding this early developmental process.

Purpose of the Study:

  • To explore the factors influencing early sexual dimorphic development in mammalian embryos.
  • To elucidate the roles of gamete interaction, chromosomal gene expression, and their impact on sex-specific developmental trajectories.

Main Methods:

  • Comparative analysis of male and female embryonic development.
  • Examination of gamete interaction and fertilization dynamics.
  • Investigation of sex chromosome gene expression patterns and their functional implications.

Main Results:

  • Male embryos may possess a developmental advantage through faster cell accumulation.
  • Y-chromosome transcripts potentially accelerate embryonic development via transcription factor activity.
  • X-chromosome genes may offer females enhanced protection against stress and regulate growth prior to X-inactivation.

Conclusions:

  • Early embryonic development is influenced by sex-specific genetic and cellular dynamics.
  • Understanding these differences is crucial for controlling offspring sex ratios in domestic animals.
  • Further research can lead to improved reproductive technologies and livestock management.

Related Experiment Videos