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प्रश्न
How many chromosomes do drones of honey bees possess?
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उत्तर
Drones of honey bee possess 16 chromosomes.
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संबंधित प्रश्न
If centromere is situated in the middle of the chromosome, it is called ________.
(a) Metacentric
(b) Acrocentric
(c) Submetacentric
(d) Telocentric
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
Describe the structure of sex-chromosomes.
Give an account of artificial chromosomes in the transfer of genetic material.
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.
Explain codominance in colour coat in cattle with checker board method.
When two different genes came from the same parent they tend to remain together.
Write the observed phenotypic ratio.
Mention the name of man-made cereal. How it is formed?
Identify the scientists who proposed chromosomal theory of inheritance.
Which of the following is a primary constriction?
During cell division, spindle fibres get attached to the disc shaped structures present on the centromere are known as ______.
Identify the term that represents the degree of repetition of the primary basic number of chromosomes in a cell.
At secondary constriction I, ______ becomes organized during interphase.
A plant having the genotype AABbCC will produce ______ kinds of gametes.
Extra nuclear chromosomes occur in ______.
Which three scientists independently rediscovered Mendel’s work?
What are minisatellites?
Which of the following is sex chromosomal disorder?
