biology flash cards

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  • Created by: jmghouri
  • Created on: 06-10-19 18:44
what is sexual reproduction?
reproduction involving two parents resulting in genetically unique offspring
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whats asexual reproduction?
reproduction involving one parents resulting in genetically identical offspring(clones)
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whats a diploid?
cells that have the normal number of chromosomes e.g. 46 in humans
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whats a haploid?
cells that have half the normal number of chromosomes eg sperms or egg cells in humans- they have 23 chromosomes each
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whats meiosis?
cell replication that produces four non-identical cells that contain half the nortmal number of chromosomes. it is used to make sex cells eg sperm and egg
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whats DNA?
Deoxyribonucleic acid. a chemical(protein) that acts as the building blocks of life and several thousand base pairs of DNA make-up a gene
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whats double helix?
the spiral shape structure of DNA
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whats cystic fibrosis?
a genetic disorder in which those affected inherit a recessive allele from both parents.sufferers have excessive mucus produced in their lungs
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Other cards in this set

Card 2

Front

reproduction involving one parents resulting in genetically identical offspring(clones)

Back

whats asexual reproduction?

Card 3

Front

cells that have the normal number of chromosomes e.g. 46 in humans

Back

Preview of the back of card 3

Card 4

Front

cells that have half the normal number of chromosomes eg sperms or egg cells in humans- they have 23 chromosomes each

Back

Preview of the back of card 4

Card 5

Front

cell replication that produces four non-identical cells that contain half the nortmal number of chromosomes. it is used to make sex cells eg sperm and egg

Back

Preview of the back of card 5
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