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biology 0610printed 231 · PDF 231
328 pagesrevision 46933
printed 231 · PDF 231
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Aitchison College Academic Resources.
Core Supplement
1 State that meiosis is involved in the production
of gametes
2 Describe meiosis as a reduction division in which
the chromosome number is halved from diploid
to haploid resulting in genetically different cells
(details of the stages of meiosis are not required)
Core Supplement
1 Describe inheritance as the transmission
of genetic information from generation to
generation
2 Describe genotype as the genetic make-up of an
organism and in terms of the alleles present
3 Describe phenotype as the observable features of
an organism
4 Describe homozygous as having two identical
alleles of a particular gene
5 State that two identical homozygous individuals
that breed together will be pure-breeding
6 Describe heterozygous as having two different
alleles of a particular gene
7 State that a heterozygous individual will not be
pure-breeding
8 Describe a dominant allele as an allele that is
expressed if it is present in the genotype
9 Describe a recessive allele as an allele that is only
expressed when there is no dominant allele of
the gene present in the genotype
10 Interpret pedigree diagrams for the inheritance of
a given characteristic
11 «Use genetic diagrams to predict the results of 13 Explain how to use a test cross to identify an
monohybrid crosses and calculate phenotypic unknown genotype
ratios, limited to 1:1 and 3:1 ratios
12 Use Punnett squares in crosses which result in
more than one genotype to work out and show
the possible different genotypes continued
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