Biology 5.1 Inheritance

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  • Created by: KarimahJ
  • Created on: 01-12-17 15:16
Alleles
different versions of the same gene
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Asexual Reproduction
reproduction which requires only one parent; results in clones.
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continuous variation
variation which can take any value between a minimum and a maximum
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Diploid cells
cells which contain two sets of chromosomes
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discontinuous variation.
characteristic which falls in distinct groups
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dominant allele
allele which controls the characteristics whenever it is present.
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environmental variation
variation caused by the environment
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fertilisation
joining together of two gametes
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Gametes
sex cells
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Genetic cross
variation caused by an organism’s genetic material
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Genome
all of the genetic material present in an organism
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Genotype
the combination of alleles present in an organism
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Haploid cells
cells which contain one pair of chromosomes
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Heterozygous
when two alleles are different.
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Homozygous
when two alleles are identical
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Meiosis
cell division which produces gametes
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Mutation
change in the sequence of DNA bases
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Phenotype
physical appearance of an organism.
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Punnett square
diagram used to show the possible genetic makeup of an offspring, based on the mother and fathers genes.
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Recessive Allele
gene whose characteristics are only expressed if two copies are present in the genotype .
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Zygote
fertilised egg.
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Chromosome
long thin structures that carry genes
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DNA
chemical that makes up our genes
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Gene
section of DNA that give the cell instructions about how to make one kind of protein
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Other cards in this set

Card 2

Front

reproduction which requires only one parent; results in clones.

Back

Asexual Reproduction

Card 3

Front

variation which can take any value between a minimum and a maximum

Back

Preview of the back of card 3

Card 4

Front

cells which contain two sets of chromosomes

Back

Preview of the back of card 4

Card 5

Front

characteristic which falls in distinct groups

Back

Preview of the back of card 5
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