Agribusiness, Agriculture, Veterinary Medicine, Cassava, Garri, food security, Agritech and the Red Meat Value Chain.
Wednesday, January 25, 2017
Virgin Birth: Zebra Shark Has Babies Without Mating.
Virgin Birth: Zebra Shark Has Babies Without Mating. Leonie had been living apart from males for the past few years, so her keepers were surprised when she laid eggs that produced three baby sharks in April 2016. Leonie could be the first shark ever observed to make the switch from sexual to asexual reproduction.
University of Queensland biologist Christine Dudgeon, who described the case in the journal Scientific Reports that they thought she could be storing sperm; but when they tested the pups and the possible parent sharks using DNA fingerprinting, they found they only had cells from Leonie. Leonie's case marks the first time scientists have seen this type of asexual reproduction —known as parthenogenesis—in the zebra shark (Stegostoma fasciatum).
Parthenogenesis occurs when embryos develop and mature without fertilization by a male's sperm. Rather, an egg progenitor cell that usually gets absorbed by the female's body acts as a surrogate sperm to "fertilize" her egg. This reproduction strategy is more common in plants and invertebrate organisms. source
Subscribe to:
Post Comments (Atom)
Agribusiness ideas.
Popular Posts
-
Five ways agriculture could benefit from artificial intelligence. Agriculture is the industry that accompanied the evolution of humanity ...
-
Cassava: Adding Value for Africa (C:AVA). Cassava or manioc (Manihot esculenta) is a perennial woody shrub with an edible root, whic...
-
The role of the chicken in nation development cannot be over emphasized,from food to fashion to power generation and employment facilitat...
-
. The risk of diabetes,stroke and cancer are reduced with intake of bananas. The ripe,unripe and over-ripe bananas play vital roles in h...
-
Funding opportunities for agricultural projects. International Tropical Timber Organization — Freezailah Fellowships 2017. ITTO makes grant...
-
WITH the holidays upon us, some smartphone apps can let you help someone in need with just a few taps of your finger. ShareTheMeal is a fa...
AGRIBUSINESS EDUCATION.
Translate
I-CONNECT -AGRICULTURE
AGRIBUSINESS TIPS.
AGRIBUSINESS.
The Agriculture Daily
veterinarymedicineechbeebolanle-ojuri.blogspot.com Cassava: benefits of garri as a fermented food. Cassava processing involves fermentation which is a plus for gut health. The fermentation process removes the cyanogenic glucosides present in the fres...
No comments:
Post a Comment