sex cell


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Related to sex cell: female sex cell

sex cell

[′seks ‚sel]
(biology)
References in periodicals archive ?
When the researchers thawed the organs or whole animals and removed their sperm, the sex cells could fertilize eggs from live mice and produce healthy offspring, regardless of how long they'd been frozen.
They suspect that a biochemical modification of the DNA in male or female sex cells somehow results in variable expressions of otherwise identical genes.
In nature, plants transfer genes through pollen, dust-like particles that carry male sex cells to female sex cells.
The eggs may be fertilized (set into reproductive motion) if they encounter sperm, tadpole-shape male sex cells that swim upward.
The panel came out against the transfer of human embryos to the wombs of animals for further development and urged a prohibition on crossing human and animal sex cells.
These two sperm cells are housed within pollen grains, which act as a vehicle to deliver the sperm cells to the female sex cells within a flower.
All body cells except those that give rise to sex cells are somatic.
It was found that intersex fish - those that had their sexuality compromised by EDCs and which contain both male (sperm) and female (eggs) sex cells - had their reproductive performance reduced by up to 76pc.
As they visit the yellow "petals," these insects pick up and distribute sex cells and make possible sexual reproduction, Roy says.
Last month the journal PLoS ONE published Tewari's research which identified a protein, PF16, which is critical in the development of the malaria parasite - specifically the male sex cells (gametes) - which are essential in the spread by mosquitoes of this lethal parasite.
To produce fertile offspring, scientists think chromosomes (cell structures that house all the genes) from both a mother and father may need to pair off evenly during meiosis, a process of cell division that produces sex cells.