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female

Female (symbol: ♀) is the sex of an organism that produces the large non-motile ova (egg cells), the type of gamete (sex cell) that fuses with the male gamete during sexual reproduction.A female has larger gametes than a male. Females and males are results of the anisogamous reproduction system, wherein gametes are of different sizes, unlike isogamy where they are the same size. The exact mechanism of female gamete evolution remains unknown.
In species that have males and females, sex-determination is based on either chromosomes, or environmental conditions. Most female mammals, including female humans, have two X chromosomes. Female characteristics vary between different species with some species having pronounced female characteristics, such as the presence of pronounced mammary glands in mammals.
In humans, the word female can also be used to refer to gender.

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  1. T

    3/8 screwed copper

    This one perhaps ray can answer does anyone know of a solder fitting ie yp or any other manufacturer that fits to 15mm??
  2. J

    Flexi tap connectors

    I Have some kitchen taps that were supplied with flexi tap connectors. The size of these are 12mm end to tap and 12mm female thread end to supply. Unfortunately the rubber washers in the female thread end have disappeared! where can i get replacements please?? most plumbing suppliers only seem...
  3. G

    Brass fitting for hose to cooker...

    Quick one... Where can I get the female-female fitting that attaches the hose to the cooker? Just been to my local heating spares place I use and the manager said he's never heard of it, I've used this type of fitting in the past but can't remember where I got them from! Thanks.
  4. B

    Male Iron to end feed female.....

    Had a leaking plate heat exchanger today and found the end feed connection had a gouge on the seat where its been leaking for so long. Tried to replace with a tap connector but they of course have the spigot on them, which wont fit in the hole. Looks like my only options are: add solder to...
  5. R

    Any Female Plumbers in the GLasgow area?

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  6. H

    15x15 female to female connector/bush threaded on both sides?

    Hi I've been looking for the part but couldn't find it, can I buy it at all? Thanks :)
  7. G

    Experienced FEMALE Gas Safe Engineer

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    • GasGirlLimited
    • Thread
    • engineer experienced female gas gas engineer gas safe gas safe register gsr safe
    • Replies: 30
    • Forum: Plumbing Jobs | The Job-board
  8. H

    Career change for a female of 36????

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  9. N

    1.5inch female connector. Pipe broken off inside. Any way to connect another pipe?

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  10. A

    Replacing broken pvc female adapter.

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  11. R

    Book suggestions for female student

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  12. R

    Female student from Norfolk

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  13. B

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    • Bellegas
    • Thread
    • engineer female gas gas engineer gas safe gas safe register gsr looking safe work
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  14. J

    40mm waste connectivity headache: help please!

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  15. S

    Gas cooker connection

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  16. M

    Compression Type A drain off and female 15mm coupler - Plumb Center

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  17. D

    15mm copper tails to old 15mm tap connectors?

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  18. M

    know any female plumbers wanting some work experience?

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  19. L

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  20. J

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    • j1sacharczuk
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    • city city and guilds female guilds level looking plumbing theory work
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    • Forum: Plumbing Jobs | The Job-board
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