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gamete

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Gamete


Cell that functions in sexual reproduction by merging with another gamete to form a zygote. Examples of gametes include sperm and egg cells. In most organisms, the gametes are haploid (they contain half the number of chromosomes of the parent), owing to reduction division or meiosis.

In higher organisms, gametes are of two distinct types: large immobile ones known as eggs or egg cells (see ovum) and small ones known as sperm. They come together at fertilization. In some lower organisms the gametes are all the same, or they may belong to different mating strains but have no obvious differences in size or appearance.

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allele
bivalent
breeding (biology)
cell division
chromosome
clone
cystic fibrosis
DNA
dominance
fertilization
gamete
gene
genetic engineering
genetics
genotype
growth (biology)
haemophilia
inheritance
inherited disease
meiosis
mitosis
monohybrid inheritance
mutation (biology)
nucleus (biology)
ovum
recessive gene
recombination
replication
sex chromosome
sickle-cell disease
sperm
tissue
X chromosome
Y chromosome

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