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Difference between complete and incomplete linkage
difference between complete and incomplete linkage?
How is sex determined in human beings?
can you explain the table 5.3 given on pg82,biology ncert book?
What is the difference between epistasis and dominance ?
which mendel's law of inheritance is universally accepted and without any exception.State the law.
What is the full form of IA
What is the difference between gamete and allele ? Explain with example
what is the difference between haemophilia and thalassemia?
what is self pollination?what's the difference between self pollination and cross pollination?
what is the difference between chromosome and gene?
explain the table in NCERT which differentiates b/w the two, i found both of them to be the same then where is the difference?
Why the people having sickle cell anaemia disorder do not suffer from malaria?
whatare complementary and supplementary genes?
Inheritance pattern of ABO blood groups in humans show dominance , co - dominance and multiple allelism. Explain each concept with the help of blood group genotypes.
two heterozygous parents are crossed.If the three loci are linked completely what would be genotypic ratio in F1 generation for a trihybrid cross?
what non parental gene combination?????
non-parents?
how to calculate the genotypic ratio for F3 and F4 generations for a monohybrid cross?
when seeds form a cross b/w 2 plants of a certain species were germinated, they produced the following plants:-
30 tall plants with red fruits 20 dwarf plants with red fruits . it was shown that both tallness and red color were dominant characters in this plant but the genotypes of the parents of the corss were not known. explain why this results was obtained?
red fruit (R) is dominant over yellow (r) and tallness (T) is dominant over short (t) in tomato plants. what phenotype and genotype ratio would result if one of parent is red homozygous and tall homozygous and other is tall heterozygous and red heterozygous
using punnett square, TRY TO FIND OUT THE NATURE OF OFFSPRING OF A TEST CROSS. WHAT RATIO DID U GET ? USING GENOTYPES OF THIS CROSS, CAN U GIVE A GENERAL DEFINITION FOR A TEST CROSS???
what is the axial and terminal position of flower?
Explain why law of segregation is also called law of purity of gametes?
Who proposed chromosomal theory of inheritance? Point out any 2 similarities in the behavior of chromosomes and genes
In a linear chromosome, map distances between four loci are as follows: a-b-10, b-c-4, a-d-3, a-c-6. the expected cross over frequency between c and d is-
a) 3%
b)9%
c) either 3%or 9%
d)4% to 12%
plz provide the solution
investigatory project on genetics
how to analyse any trait by using pedigree analysis??
what genetics principles could be derived from a monohybrid cross ?
WHAT IS PEDIGREE ANALYSIS? DO YOU SUGGEST HOW THIS ANALYSIS IS USEFUL
Why mendel chose only pea plant for his experiments?
short note on sickle cell anemia
please explain the chromosomal theory of inheritance.
what is meant by rudimentary ovaries?
what the line "dominance is not an autonomous feature of a gene " means?????????????
A diploid organism is heterozygous for 4 loci, how many types of gametes can be produced?
What is genome?How many genomes are present in one of our arm cell?
WHAT IS DOWNS SYNDROME ? GIVE ITS SYMPTOMS AND CAUSES
How many type of glycoprotein that determine the ABO blood groups are found on the RBC's of human?
Differentiate between Mendelian disorders & chromosomal disorders. Give two examples of each.
A woman with O blood group marries a man with AB blood group(1)work out all the possible phenotypes and genotypes of the progeny.(2)discuss the kind of dominance in the parents and the progeny in this case
what are complementary genes and supplementary genes?
ratio of F2 generation in each case?
Express the genotype of AB blood group?
give reasons for
(I) both strands of DNA are not copied during transcription
(II)transcription and translation in bacteria can be coupled
what are the benefits of backcross and test cross??
what is the law of paired factors
Why do sons of a haemophilic father never suffer from this trait?
in a pea plant,smooth seed coats is dominant over wrinkled seed coat. what will be the expected ratio of phenotypes of the offspring in a cross between-
1.heterozygous smooth and heterozygous smooth
2.heterozygous smooth and heterozygous wrinkled
3.heterozygous smooth and homozygous smooth
justify the statement male honey bee has no father but has grondson
The human male never passes on the gene for haemophilia to his son .Justify the statement
Lesch Nyhan disease is an X-linked recessive disorder that causes neurological disorder in human beings. A survey of 500 males from a Caucasian population revealed that 20 were affected with this disorder. What is the frequency of normal allele in this population?
expalin reciprocal cross with an example?
in birds, is the sperm or the egg responsible for the of the chicks?
is mirabilis jalapa & dogflower (snapdragon) is referred the same plant?
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Syllabus
Difference between complete and incomplete linkage
difference between complete and incomplete linkage
?
Q). Can you tell which of these columns A or B represent the chromosome and which represents the gene? How did you decide?
How is sex determined in human beings?
can you explain the table 5.3 given on pg82,biology ncert book?
What is the difference between epistasis and dominance ?
Which one of the following four organs of respiratory system is correctly matched with characteristics?
A. Bronchi - Two branches of the trachea that brings air into the lungs.
B. Trachea - Small flap that prevents food from entering
C. Diaphragm - Dome shaped muscle that pushes on the lungs during exhalation.
D. Alveoli - Pair of organs that inflate as you inhale and deflate as you exhale.
(a) A and B only (b) C and D only
(c) A and C only (d) B and D only
which mendel's law of inheritance is universally accepted and without any exception.State the law.
a)Linkage
b)Polyploidy
c)Recombination
d)Aneuploidy
What is the full form of IA
What is the difference between gamete and allele ? Explain with example
what is the difference between haemophilia and thalassemia?
what is self pollination?what's the difference between self pollination and cross pollination?
what is the difference between chromosome and gene?
explain the table in NCERT which differentiates b/w the two, i found both of them to be the same then where is the difference?
Why the people having sickle cell anaemia disorder do not suffer from malaria?
Mendel's Monohybrid cross is mathematically condensible to the form of binomial expression. Which expression is this. Prove it
whatare complementary and supplementary genes?
(1) 4
(2) 16
(3) 8
(4) 2
Inheritance pattern of ABO blood groups in humans show dominance , co - dominance and multiple allelism. Explain each concept with the help of blood group genotypes.
two heterozygous parents are crossed.If the three loci are linked completely what would be genotypic ratio in F1 generation for a trihybrid cross?
1 2/16
2 2/4
3 2/64
4 2/256
what non parental gene combination?????
non-parents?
how to calculate the genotypic ratio for F3 and F4 generations for a monohybrid cross?
when seeds form a cross b/w 2 plants of a certain species were germinated, they produced the following plants:-
30 tall plants with red fruits 20 dwarf plants with red fruits . it was shown that both tallness and red color were dominant characters in this plant but the genotypes of the parents of the corss were not known. explain why this results was obtained?
red fruit (R) is dominant over yellow (r) and tallness (T) is dominant over short (t) in tomato plants. what phenotype and genotype ratio would result if one of parent is red homozygous and tall homozygous and other is tall heterozygous and red heterozygous
using punnett square, TRY TO FIND OUT THE NATURE OF OFFSPRING OF A TEST CROSS. WHAT RATIO DID U GET ? USING GENOTYPES OF THIS CROSS, CAN U GIVE A GENERAL DEFINITION FOR A TEST CROSS???
what is the axial and terminal position of flower?
A - artificial
B- cross pollination
C - natural
D - Both a and b
Please give the explanation of the answer along
Explain why law of segregation is also called law of purity of gametes?
1) 950
2) 300
3) 200
4) 150
Who proposed chromosomal theory of inheritance? Point out any 2 similarities in the behavior of chromosomes and genes
In a linear chromosome, map distances between four loci are as follows: a-b-10, b-c-4, a-d-3, a-c-6. the expected cross over frequency between c and d is-
a) 3%
b)9%
c) either 3%or 9%
d)4% to 12%
plz provide the solution
investigatory project on genetics
(2) (B) & (C)
Sol. Answer (3) pls explainthe logic
how to analyse any trait by using pedigree analysis??
what genetics principles could be derived from a monohybrid cross ?
WHAT IS PEDIGREE ANALYSIS? DO YOU SUGGEST HOW THIS ANALYSIS IS USEFUL
How to solve this plz explain...
Why mendel chose only pea plant for his experiments?
short note on sickle cell anemia
please explain the chromosomal theory of inheritance.
what is meant by rudimentary ovaries?
what the line "dominance is not an autonomous feature of a gene " means?????????????
black eyes and red hair. Black eyes (E) are dominant over blue eyes (e) and black hair (H) is dominant over red hair (h). Work out the probabilities of phenotypes of the children of this couple using punnett square method.
A diploid organism is heterozygous for 4 loci, how many types of gametes can be produced?
What is genome?How many genomes are present in one of our arm cell?
WHAT IS DOWNS SYNDROME ? GIVE ITS SYMPTOMS AND CAUSES
How many type of glycoprotein that determine the ABO blood groups are found on the RBC's of human?
Differentiate between Mendelian disorders & chromosomal disorders. Give two examples of each.
a). n=21 and x=7
b). n=7 and x=21
c). n=21 and x=21
d). n=21 and x=14
and plz explain me how to find this...
A woman with O blood group marries a man with AB blood group(1)work out all the possible phenotypes and genotypes of the progeny.(2)discuss the kind of dominance in the parents and the progeny in this case
(1) Tall plants and violet flowered plants are obtained in 1 : 1 frequency
(2) Ratio of parental and non-parental plants is 1 : 15
(3) Recombinant plants are obtained in 1 : 1 frequency
(4) More than one option is correct
what are complementary genes and supplementary genes?
ratio of F2 generation in each case?
Express the genotype of AB blood group?
give reasons for
(I) both strands of DNA are not copied during transcription
(II)transcription and translation in bacteria can be coupled
what are the benefits of backcross and test cross??
(l) Give the genotype of the parents shown is generation I and of the son and daughter generation II.
(2) Give the the genotype of the daughter shown in generation III.
(3) Is the trait used linked or autosomal? Justify your answer.
what is the law of paired factors
Why do sons of a haemophilic father never suffer from this trait?
in a pea plant,smooth seed coats is dominant over wrinkled seed coat. what will be the expected ratio of phenotypes of the offspring in a cross between-
1.heterozygous smooth and heterozygous smooth
2.heterozygous smooth and heterozygous wrinkled
3.heterozygous smooth and homozygous smooth
justify the statement male honey bee has no father but has grondson
The human male never passes on the gene for haemophilia to his son .Justify the statement
Lesch Nyhan disease is an X-linked recessive disorder that causes neurological disorder in human beings. A survey of 500 males from a Caucasian population revealed that 20 were affected with this disorder. What is the frequency of normal allele in this population?
a) point mutation
b) chromosomal disorders
c) mendalian disorders
d) gene mutation
expalin reciprocal cross with an example?
(1) 25 cm (2) 35 cm
(3) 20 cm (4) 30 cm
in birds, is the sperm or the egg responsible for the of the chicks?
is mirabilis jalapa & dogflower (snapdragon) is referred the same plant?