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Which of the following is required in a cloning vector?
1.Origin of replication, a selectable marker, and a resistance gene
2.Origin of replication, a selectable marker, and a foreign DNA insert
3.A gene for replication, a selectable marker, and an antibiotic resistance gene
4.Origin of replication, a high copy number, and an antibiotic resistance gene
1.Origin of replication, a selectable marker, and a resistance gene
2.Origin of replication, a selectable marker, and a foreign DNA insert
3.A gene for replication, a selectable marker, and an antibiotic resistance gene
4.Origin of replication, a high copy number, and an antibiotic resistance gene
Consider the given two statements:
Assertion (A): Naturally fermented alcohols have a maximum of 13% alcohol concentration.
Reason (R): At higher concentrations, alcohol becomes fatal for consumption by humans.
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Assertion (A): Naturally fermented alcohols have a maximum of 13% alcohol concentration.
Reason (R): At higher concentrations, alcohol becomes fatal for consumption by humans.
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Why is the father responsible for determining the sex of the child?
1. Because the father's sperm determines the zygote's sex chromosome composition.
2. Because the father's genetic material activates sex-determining genes.
3. Because the mother always provides an X chromosome.
4. Because the father's phenotype influences the child's sex.
1. Because the father's sperm determines the zygote's sex chromosome composition.
2. Because the father's genetic material activates sex-determining genes.
3. Because the mother always provides an X chromosome.
4. Because the father's phenotype influences the child's sex.