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प्रश्न
How do genes and chromosomes share similarity from the point of view of genetical studies?
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उत्तर
Similarities between Chromosomes and Genes:
- Both occur in pairs.
- Both segregate at the time of gamete formation such that only one of each pair is transmitted to a gamete.
- Independent pairs segregate independently of each other in both.
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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
What is gene pool?
Define the term ‘genome’.
How many chromosomes do drones of honey bees possess?
Briefly mention the contribution of T. H. Morgan in genetics.
Explain the types of chromosomes on the basis of position of centromere.
Distinguish between X and Y chromosomes.
Describe the structure of sex-chromosomes.
An allohexaploidy contains
The A and B genes are 10 cm apart on a chromosome. If an AB/ab heterozygote is test crossed to ab/ab, how many of each progeny class would you expect out of 100 total progeny?
When two different genes came from the same parent they tend to remain together.
Write the observed phenotypic ratio.
Which of the following is a primary constriction?
At secondary constriction I, ______ becomes organized during interphase.
A plant having the genotype AABbCC will produce ______ kinds of gametes.
Which three scientists independently rediscovered Mendel’s work?
How many types of gametes would be produced if the genotype of a parent is AaBB?
What are minisatellites?
Experimental verification of the chromosomal theory of inheritance was done by ______.
Which of the following sentences are correct?
1. The offspring exhibit only parental combinations due to incomplete linkage
2. The linked genes exhibit some crossing over in complete linkage
3. The separation of two linked genes are possible in incomplete linkage
4. Crossing over is absent in complete linkage
