Can people lay eggs?

In this short article, we will provide an answer to the question “can people lay eggs?” and the reasons behind it.

Can people lay eggs?

No, people cannot lay eggs. They have never laid an egg and will never lay an egg in the future. Among mammals, only the platypus and the echidna are still known to lay eggs. As a result, humans never lay eggs, regardless of how the term “human” is defined in different cultures.

What are eggs in their most basic form?

An egg is a biological vessel in which an embryo develops until it can live on its own, at which point it is released and becomes a hatchling. When an egg cell is fertilized, the result is the formation of an egg. Even though the vast majority of arthropods, vertebrates, and mollusks lay eggs, some, such as scorpions, do not.

Eggs laid by reptiles, birds, and monotremes are laid outside of water and are protected by a flexible or inflexible shell, depending on the species and the environment. To facilitate the development of the embryo, eggs laid on land or in nests are often kept at a pleasant temperature range. When an embryo has completed its development, it hatches, which is the process by which it separates from the eggshell. In certain cases, embryos develop protruding egg fangs, which they use to tear, pierce, or shatter the eggshell or surrounding tissue.

There are several reasons why humans do not lay eggs, including:

Even though humans and other animals such as frogs and chickens have existed for millions of years apart in time, one of the most surprising findings made by efforts such as the human genome project was that we share a significant percentage of our DNA with these other creatures.

For example, humans and chimpanzees share 98.5 percent of their genome, while humans and chickens share about 75 percent of their DNA.

This high degree of genetic resemblance may be explained by the fact that not all genes are activated at the same time in all individuals.

As an alternative, they are either completely silent in certain species or selectively active in other tissues where they perform different roles.

Using a technique known as RNA sequencing, the researchers behind the new study were able to identify which genes were active and which genes were dormant in the uteruses of 12 different animals, resulting in the discovery of new information.

All of the animals tested were capable of bearing offspring inside their bodies, including dogs, cows, horses, pigs, and armadillos. Additionally, they examined the DNA of marsupial short-tailed opossums and the platypus, which was thought to be the ancestor of all egg-laying mammals.

Additionally, they looked at DNA from the uteri of lizards, chickens, and frogs.

As a direct result of this discovery, the researchers were able to identify when certain genes were most likely switched on or off during evolution.

The Evolution of Birth

A glimpse into the distant past is provided through the transmission of monotremes from generation to generation. It was about 300 million years ago when mammalian ancestors separated from their reptile forefathers. They were referred to as synapsids for millions of years and were capable of reproducing via egg production. As a consequence, live birth is a relatively recent phenomenon in human history. When compared to the rest of the evolutionary history, the process by which placental animals give birth to fully developed offspring emerged relatively recently. Similarly, marsupials that produce joeys that are tiny and underdeveloped show the same characteristic.

Animals that lay eggs

To understand the origins of eggs and the differences between egg-laying and non-egg-laying animals, students should be able to recognize the following:

Egg-laying animals include the following species, among others:

  • Unlike other animals, birds are warm-blooded and lay eggs. Most of them can fly because they have feathers on their wings.
  • Fish are considered to be cold-blooded animals. The vast majority of them lay eggs, have scales, and breathe via the oxygen provided by the water’s oxygen. In either saltwater, they may be observed swimming in lakes and rivers (freshwater fish). While the vast majority of fish are similar, there are a few notable exceptions: catfish lack scales, certain sharks give birth to live young, and lungfish breathe air, among other things.
  • Amphibians are cold-blooded animals that may be found on either land or water. Amphibians reproduce by laying eggs on the ground.
  • Reptiles depend on the warmth of the sun to maintain the temperature of their blood. The vast majority of reptiles are oviparous, which means they lay eggs in their eggs.
  • Except for microbes, insects are the most abundant living animals on the planet. The vast majority of them are female and deposit eggs. Even though the planet is home to millions of different species, all of them have six legs and a strong exoskeleton to support them.

Conclusion

In this short article, we provided an answer to the question “can people lay eggs?” and the reasons behind it.

Reference

https://en.wikipedia.org/wiki/Egg
https://www.egginfo.co.uk/schools/all-about-eggs/5-7/which-animals-lay-eggs
https://www.quora.com/Do-humans-ever-lay-eggs#:~:text=None%20lay%20eggs%2C%20nor%20did,%2C’%20humans%20never%20laid%20eggs.
https://worldbuilding.stackexchange.com/questions/120297/would-re-engineering-humans-to-lay-eggs-be-beneficial
https://www.discovermagazine.com/planet-earth/why-did-our-mammal-ancestors-stop-laying-eggs
https://www.newscientist.com/article/mg16221904-800-why-we-dont-lay-eggs/
https://www.dailymail.co.uk/sciencetech/article-2932863/Why-humans-don-t-lay-eggs-Jumping-genes-origin-pregnancy-early-mammalian-ancestors.html

Hi, I am Charlotte, I love cooking and in my previous life, I was a chef. I bring some of my experience to the recipes on this hub and answer your food questions.