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प्रश्न
An allohexaploidy contains
विकल्प
Six different genomes
Six copies of three different genomes
Two copies of three different genomes
Six copies of one genome
उत्तर
Six copies of three different genomes
संबंधित प्रश्न
If the number of chromosomes in an endosperm cell is 27, what will be the chromosome number in the definitive nucleus?
- 9
- 18
- 27
- 36
Define the term ‘genome’.
Sketch and label the structure of chromosome.
A male honeybee has 16 chromosomes whereas its female has 32 chromosomes. Give one reason.
State the difference between meiocyte and gamete with respect to chromosome number.
Explain the types of chromosomes on the basis of position of centromere.
Answer the following question.
Compare in any three ways the chromosomal theory of inheritance as proposed by Sutton and Bovery with that of experimental results on pea plant presented by Mendel.
Short Answer Question.
Explain the chromosomal theory of inheritance.
Changing the codon AGC to AGA represents
A B B C C D E F G H I
From the above figure identify the type of mutation and explain it.
Match the column I (Type of chromosome) with column II (name of chromosome).
Type of chromosome | Name of chromosome | ||
i. | ![]() |
P. | Acrocentric |
ii. | ![]() |
Q. | Telocentric |
iii. | ![]() |
R. | Metacentric |
iv. | ![]() |
S. | Sub-metacentric |
Telocentric chromosome differs from acrocentric chromosome in that ____________.
At secondary constriction I, ______ becomes organized during interphase.
A gene pair hides the effect of another. The phenomenon is ______.
Extra nuclear chromosomes occur in ______.
Which three scientists independently rediscovered Mendel’s work?
Which of the following statements indicates parallelism in genes and chromosomes?
- They occur in pairs.
- They segregate during gamete formation.
- They show linkage.
- Independent pairs segregate independently.
Which of the following phase follows S and G2 phases of interphase?
Genes located on same locus but having different expressions are: