82786
Description
Mind Map by thanh tran, updated more than 1 year ago
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Created by thanh tran
almost 11 years ago
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Gregor Mendel
- Who was he?
- A monk
- Studied variation and
inheritance of pea plants
- Published in 1866 but
few people read it and
even then, most did not
understand it
- Gained recognition
40 years after the
paper was published
- A monk
- What did he find out?
- Inheritance was not
due to the blending
mechanism but
inheritance factors.
- The cells in each pea
plant has 2 inheritance
factors for each
characteristic
- each haploid gamete
(pollen grain/egg) only
carries 1 inheritance
factor for each
characteristic
- offspring could
get dominant or
recessive
characteristic
- offspring could
get dominant or
recessive
characteristic
- each haploid gamete
(pollen grain/egg) only
carries 1 inheritance
factor for each
characteristic
- Inheritance was not
due to the blending
mechanism but
inheritance factors.
- Chromosomes, Alleles and Genes
- DNA governs
inheritance of
characteristics
- DNA carries genetic information
- It is coiled into
structures called
CHROMOSOMES
and is found in the
nucleus of the cell
- Each pair of chromosomes have the
same genes although each gene may
be in different forms called ALLELES
- Each allele in a gene codes for
the same characteristic but for a
slightly different version of it
- Each allele in a gene codes for
the same characteristic but for a
slightly different version of it
- Each pair of chromosomes have the
same genes although each gene may
be in different forms called ALLELES
- A small section of DNA is a
GENE and codes for a
particular characteristic
- It is coiled into
structures called
CHROMOSOMES
and is found in the
nucleus of the cell
- DNA governs
inheritance of
characteristics
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