Genetics 8 Online Test

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Correct statement with reference to Watson Crick Model of DNA is
2 hydrogen bonds between cytosine and guanine 3 hydrogen bonds between adenine and thymidine
1 hydrogen bond between cytosine and guanine 3 hydrogen bonds between adenine and thymidine
1 hydrogen bond between adenine and thymidine 3 hydrogen bonds between cytosine and guanine
3 hydrogen bonds between cytosine and guanine 2 hydrogen bonds between adenine and thymidine
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A. B. C. D. 2 3 4 1
1 2 3 4
4 3 2 1
3 2 1 4
In the DNA molecule___________
the total amount of purine nucleotides and pyrimidine nucleotides is not always equal
there are two strands which run parallel in the 5' —>3' direction
the proportion of Adenine in relation to thymine varies with the organism
there are two strands which run anti parallel-one in 5'—>3' direction and other in 3 '—>5’
Genetic traits are often carried on separate chromosomes. Which of the following genotype represents a dihybrid organism?
TTRR
TtRr
ttrr
ttRr.
Which of the following set forms a RNA nucleotide?
Thymine, deoxyribose and phosphoric acid
Thymine, ribose and phosphoric acid
Uracil, deoxyribose and phosphoric acid
Uracil, ribose and phosphoric acid
Who coined the term “Genetics”? /
Mendel
Johanssen
Morgan
Knight
Clover leaf shaped nucleic acid is /
DNA
m-RNA
r-RNA
t-RNA
If a mother is Rh-ve and the first baby is Rh ve and survives Also that mother is homozyzygous can her child, third one, be Rh - and survive ?
yes
no
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Description:

Genetics is a field of biology that deals in heredity and variation in living things. All living things inherit different traits from their parents . The idea is being used since prehistoric times to improve crops and animals through selective breeding. Modern genetics was set into action with the work of Gregor Mendel from the mid-nineteenth century. The physical basis for heredity as we know now are the units of inheritance called genes.

Discussion

Vinty

please explain ans of ques no.9

2028 days 16 hours 40 minutes ago

kushal

i want to ask one question tha which enzyme is not made up of proteins ?

3896 days 15 hours 51 minutes ago

Riyazuddin Ahmed

Acc to NCERT, Dinesh, Trueman's book the options shd be different. Question 1 I found wrong

3998 days 15 hours ago

saraashmit

question 1 answer is wrong.

4046 days 19 hours 37 minutes ago

param

WHO COINED THE TERM GENETICS.....HERE THERE IS NO OPTION OF WILLIAM BAETSON

4355 days 20 hours 32 minutes ago

Dr. SUBROTO BISWAS
Professor/SME/Instructor in Biology (NEET/AIIMS)
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