Origin of Genetics (Leaving Cert Biology): Flashcards

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Origin of Genetics
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Father of genetics

Gregor Mendel

Organism Mendel studied

Pea plants

Time period of Mendel's experiments

Mid-1800s

Number of pea plant characteristics Mendel studied

Seven

Mendel's first law name

Law of Segregation

Mendel's second law name

Law of Independent Assortment

Modern term for Mendel's 'factors'

Alleles

Definition of allele

A different form of the same gene

How alleles occur in cells

In pairs

Number of factors in each gamete

One

Process halving alleles during gamete formation

Meiosis

Pairs of alleles indicate cells are

Diploid

Possible gametes from TtPpTtPp genotype

TPTP, TpTp, tPtP, tptp

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