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GRACIOUS COLLEGE OF NURSING ABHANPUR
RAIPUR
MENDLIAN THEORY OF INHERITANCE
AND
AND
MULTIPLE ALLOTS AND BLOOD GROUPS
PRESENTED BY
OM VERMA
ASSISTANT PROFESSOR
MENDALIAN THEORY OF
INHERITANCE
INHERITANCE
Mendelian inheritance refers to certain
patterns of how traits are passed from
parents to offspring. These general
patterns were established by the
Austrian monk Gregor Mendel, who
Austrian monk Gregor Mendel, who
performed thousands of experiments
with pea plants in the 19th century.
LAW OF DOMINANCE
LAW OF DOMINANCE
Mendel's law of dominance states that:
“When parents with pure, contrasting
traits are crossed together, only one
form of trait appears in the next
generation. The hybrid offsprings will
generation. The hybrid offsprings will
exhibit only the dominant trait in the
phenotype.” Law of dominance is known
as the first law of inheritance.
Height
Eye
color
color
LAW OF SEGREGATION
LAW OF SEGREGATION
During gametes formation When an
organism makes gametes, each gamete
receives just one gene copy, which is selected
randomly. This is known as the law of
segregation. A Punnett square ( Used for
can be used to predict
genetic cross table) can be used to predict
genotypes (allele ( gene Variation )
combinations ) and phenotypes (observable
traits) of offspring from genetic crosses.
Gametes
ovum
LAW OF INDEPENDENT
ASSORTMENT
ASSORTMENT
Mendel's law of independent
assortment ( classified ) states that the
alleles of two (or more) different genes
get sorted into gametes independently
of one another. In other words, the
of one another. In other words, the
allele a gamete receives for one gene
does not influence the allele received
for another gene.
Genes for the different traits assort
independent of each other during
gamete formation which is selected
randomly.
randomly.
MULTIPLE ALLOTS
AND BLOOD
AND BLOOD
GROUPS
ALLELS ( ALLOTS )
Alleles are the pairs of genes occupying a
specific spot called locus on a chromosome.
Alleles are a pair of genes that occupy a
specific location on a particular chromosome
and control the same trait.
Typically, there are only two alleles for a gene
in a diploid organism. When there is a gene
existing in more than two allelic forms, this
condition is referred to as multiple allelism.
Allelism refers to any of the several forms of a
gene. These genetic variations arise usually
through mutation and therefore are
responsible for hereditary variations.
Multiple alleles are three or more alleles for a
particular gene. Multiple allelism
(biology definition):
(biology definition):
The condition of the presence of multiple
alleles. An example of multiple alleles is the
ABO blood group system in humans.
Not Accept/Accept
B/AB / A/O
A/AB / B/O
/A/B/AB/O
A/B/AB / O
Represent blood group -
I A - A blood group denote
I A - A blood group denote
IB - B blood group denote
i - O blood group denote
PHENOTYPES GENOTYPE
A - IA IA / IA i
B - IB IB / IB i
B - IB IB / IB i
AB - IA IB
O - i i
BLOOD GROUPING
MOTHER FATHER
A i ( received form ) A
I A i I A i
IA IA I A i I Ai i i
A A A O
BLOOD GROUPING
MOTHER FATHER
B i received form B
I B i I B i
IB IB I B i I Bi i i
B B B O
BLOOD GROUPING
MOTHER FATHER
A i received form B
I A i I B i
IA IB I A i I Bi i i
A B A B O
BLOOD GROUPING
MOTHER FATHER
A i received form O
I A i i i
IA i I A i i i i i
A A O O
BLOOD GROUPING ( O b/d group recessive form convert )
MOTHER FATHER
AB i received form O
I A I B i i
IA i I A i I B i I B i
A A B B
MENDALIAN THEORY OF INHERITANCE AND MULTIPLE BLOOD ALLOTS AND BLOOD GROUPS 2023.pdf
MENDALIAN THEORY OF INHERITANCE AND MULTIPLE BLOOD ALLOTS AND BLOOD GROUPS 2023.pdf
MENDALIAN THEORY OF INHERITANCE AND MULTIPLE BLOOD ALLOTS AND BLOOD GROUPS 2023.pdf

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MENDALIAN THEORY OF INHERITANCE AND MULTIPLE BLOOD ALLOTS AND BLOOD GROUPS 2023.pdf

  • 1. GRACIOUS COLLEGE OF NURSING ABHANPUR RAIPUR MENDLIAN THEORY OF INHERITANCE AND AND MULTIPLE ALLOTS AND BLOOD GROUPS PRESENTED BY OM VERMA ASSISTANT PROFESSOR
  • 2.
  • 4. Mendelian inheritance refers to certain patterns of how traits are passed from parents to offspring. These general patterns were established by the Austrian monk Gregor Mendel, who Austrian monk Gregor Mendel, who performed thousands of experiments with pea plants in the 19th century.
  • 5.
  • 6. LAW OF DOMINANCE LAW OF DOMINANCE
  • 7. Mendel's law of dominance states that: “When parents with pure, contrasting traits are crossed together, only one form of trait appears in the next generation. The hybrid offsprings will generation. The hybrid offsprings will exhibit only the dominant trait in the phenotype.” Law of dominance is known as the first law of inheritance.
  • 9.
  • 10. LAW OF SEGREGATION LAW OF SEGREGATION
  • 11. During gametes formation When an organism makes gametes, each gamete receives just one gene copy, which is selected randomly. This is known as the law of segregation. A Punnett square ( Used for can be used to predict genetic cross table) can be used to predict genotypes (allele ( gene Variation ) combinations ) and phenotypes (observable traits) of offspring from genetic crosses.
  • 14. Mendel's law of independent assortment ( classified ) states that the alleles of two (or more) different genes get sorted into gametes independently of one another. In other words, the of one another. In other words, the allele a gamete receives for one gene does not influence the allele received for another gene.
  • 15. Genes for the different traits assort independent of each other during gamete formation which is selected randomly. randomly.
  • 17. ALLELS ( ALLOTS ) Alleles are the pairs of genes occupying a specific spot called locus on a chromosome. Alleles are a pair of genes that occupy a specific location on a particular chromosome and control the same trait.
  • 18. Typically, there are only two alleles for a gene in a diploid organism. When there is a gene existing in more than two allelic forms, this condition is referred to as multiple allelism. Allelism refers to any of the several forms of a gene. These genetic variations arise usually through mutation and therefore are responsible for hereditary variations.
  • 19.
  • 20.
  • 21. Multiple alleles are three or more alleles for a particular gene. Multiple allelism (biology definition): (biology definition): The condition of the presence of multiple alleles. An example of multiple alleles is the ABO blood group system in humans.
  • 22.
  • 23.
  • 24.
  • 25.
  • 26.
  • 27.
  • 28.
  • 29.
  • 30.
  • 31. Not Accept/Accept B/AB / A/O A/AB / B/O /A/B/AB/O A/B/AB / O
  • 32. Represent blood group - I A - A blood group denote I A - A blood group denote IB - B blood group denote i - O blood group denote
  • 33. PHENOTYPES GENOTYPE A - IA IA / IA i B - IB IB / IB i B - IB IB / IB i AB - IA IB O - i i
  • 34. BLOOD GROUPING MOTHER FATHER A i ( received form ) A I A i I A i IA IA I A i I Ai i i A A A O
  • 35. BLOOD GROUPING MOTHER FATHER B i received form B I B i I B i IB IB I B i I Bi i i B B B O
  • 36. BLOOD GROUPING MOTHER FATHER A i received form B I A i I B i IA IB I A i I Bi i i A B A B O
  • 37. BLOOD GROUPING MOTHER FATHER A i received form O I A i i i IA i I A i i i i i A A O O
  • 38. BLOOD GROUPING ( O b/d group recessive form convert ) MOTHER FATHER AB i received form O I A I B i i IA i I A i I B i I B i A A B B