The number of autosomes in human female is
The number of autosomes in human female is
Options
(a) 26 pairs (b) 22 pairs (c) 24 pairs (d) 21 pairs
Correct Answer:
22 pairs
Explanation:
No explanation available. Be the first to […]
Biology
The number of chromosomes present in the cells of the bread wheat Triticum
The number of chromosomes present in the cells of the bread wheat Triticum aestivum suggests that it is
Options
(a) hexaploid (b) diploid (c) tetraploid (d) pentaploid
Correct Answer:
hexaploid
Explanation:
No explanation […]
The possible blood groups of children born to parents having A and AB groups are
The possible blood groups of children born to parents having A and AB groups are
Options
(a) O, A (b) A, B, AB (c) O, A, B (d) O, A, B, AB
Correct […]
The process of transfer of genetic information from DNA to RNA is
The process of transfer of genetic information from DNA to RNA is
Options
(a) transversion (b) transcription (c) translation (d) translocation
Correct Answer:
transcription
Explanation:
No explanation available. Be the first to write […]
The rule that in a DNA the amount of adenine equals to that of the thymine and that
The rule that in a DNA the amount of adenine equals to that of the thymine and that of guanine equals to that of cytosine is known as
Options
(a) Allen’s rule (b) […]
The smallest RNA molecules are
The smallest RNA molecules are
Options
(a) mRNA (b) tRNA (c) rRNA (d) both (a) and (b)
Correct Answer:
tRNA
Explanation:
No explanation available. Be the first to write the explanation for this […]
The triplet UUU codes for
The triplet UUU codes for
Options
(a) leucine (b) methionine (c) phenylalanine (d) glycine
Correct Answer:
phenylalanine
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
The trisomy for 21st chromosome is called
The trisomy for 21st chromosome is called
Options
(a) Klinefelter’s syndrome (b) Turner’s syndrome (c) Down’s syndrome (d) sickle-cell anaemia
Correct Answer:
Down’s syndrome
Explanation:
No explanation available. Be the first to write […]
There are 64 codons in the genetic dictionary as
There are 64 codons in the genetic dictionary as
Options
(a) there are 3 nonsense codons and 61 sense codons (b) there are 64 different types of tRNA (c) there are 64 amino […]
There are special proteins that help to open up DNA double helix in front of
There are special proteins that help to open up DNA double helix in front of the replication fork. These proteins are
Options
(a) DNA gyrase (b) DNA ligase (c) DNA polymerase I (d) DNA […]