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Read the given statements and select the...

Read the given statements and select the option accordingly. (a) Apomictic embryos are genetically same and they can be called clones. (b) Apomictic seeds can be very useful in maintaining hybrid traits as they prevent seggregation of characters of the hybrid variety.

A

Only (b) is false

B

Only (a) is false

C

Both (a) and (b) are false

D

Both (a) and (b) are true

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Read the given statements and select the option accordingly. (1) Apomictic embryos are generally same and they can be called clones. (2) Apomictic seeds can be very useful in maintaining hybrid traits as they prevent segregation of characters of the hybrid variety.

What would be the genetic nature of apomictic embryos ? Can they be called clones ?

Read the given statements and select the correct option Statement 1 : Test cross is used to determine an unknown genotype within one breeding generation Statement 2 : Test cross is a cross between F_(1) hybrid and dominant parent.

Read the given statements and select the correct option Statement 1 : PCR technique is helpful in detecting bacterial and viral diseases even when symptoms of the disease are not yet visible Statement 2 : Very low concentrations of bacteria or viruses in human body can be detected by amplification of their nucleic acids using the PCR technique

Read the given statements and select the correct option w.r.t. true and false : br (a) Duration of each cardiac cycle is 0.8 seconds which can be altered in fear or fight conditions, br (b) Rapid passive ventricular filling takes place when auricles are in diastole and auriculoventricular valves remain closed, br (c) Semilunar valves open when intraventricular pressure exceeds the pressure within aorta, br (d) Sinoatrial node comprises of autoexcitable tissue.

Assertion : - Somatic hybrid can be developed only through genetic engineering. Reason :- Apomictic seed can be produced by mutation.

Read the given statements and select the correct option. Statement 1 : The cloning vector is required to have very few, preferably single, recongnition sites for the commonly used restriction enzymes. Statement 2: Presence of more than one recongnition sites within a cloning vector will generate several fragments, which will complicate the process of gene cloining. 1) Both statements 1 and 2 are correct 2) statement 1 is correct but statement 2 is incorrect 3) statement 1 is incorrect but statement 2 is correct 4) None of the above

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AAKASH INSTITUTE ENGLISH-TEST 5-EXAMPLE
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  9. Select the option with correct set of statements for Punnett square. (...

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  10. Calculate the probability of obtaining a zygote with genotype AaBBccDD...

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  14. In sweet pea, flower colour is controlled by two complementary genes '...

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  15. Select the correct match.

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  16. A new born child was diagnosed with a genetic disorder. He showed some...

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  17. Mark the statement incorrect for chromosomal theory of inheritance.

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  19. Gene for 'hypertrichosis' passes from father to his sons only, such tr...

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  20. Mark the correct reason for sickle cell anaemia.

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