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Asexual vs Sexual reproduction

Terms in this set (16)

Hormones
lipids; bind to receptors (transcription factors)
Hermaphrodite
intersex; have both sets of gonads; part testes part ovary
Asexual
one parent cell; offspring are clones; paramecium
Bacteria
split by fission; no nucleus
Artificial asexua reproduction
cloning
Pros of Asexual
no need to find a mate
Cons of Asexual
little genetic variety meaning it can easily be wiped out
Sexual reproduction
requires the union of two parent cells; provides genetic variety for a species
Why cant gametes be produced by mitosis?
Gametes must have ½ have normal amount so fertilized egg ends up with full number
Zygote
fertilized egg
Haploid
half number of chromosomes
Diploid
full number of chromosomes
How do you make gametes haploid?
Meiosis
Meiosis
cell division process that creates haploid gametes from diploid cell; ensures that gametes are haploid and have genetic variation
Fertilization
2 haploid cells unite to form a diploid zygote
Homologous
pair of chromosomes that are the same size and carry the same genes but not exact copies
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