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प्रश्न
If the haploid number in a cell is 18. The double monosomic and trisomic number will be
विकल्प
35 and 37
34 and 35
37 and 35
17 and 19
उत्तर
34 and 35
संबंधित प्रश्न
Briefly mention the contribution of T.H. Morgan in genetics.
Who had proposed the chromosomal theory of the inheritance?
Choose the correct options of the following question:
Study the given monohybrid cross:
A test cross for this Fj will be:
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.
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?
Genes G S L H are located on the same chromosome. The recombination percentage is between L and G is 15%, S and L is 50%, H and S are 20%. The correct order of genes is
When two different genes came from the same parent they tend to remain together.
Write the observed phenotypic ratio.
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 ____________.
From the following identify the INCORRECT statement/s with respect to the chromosomes.
i. Chromosomes are capable of self replication and play vital role in heredity, mutation, variation, and evolutionary development of eukaryotic species.
ii. Chromosomes are visible during cell division.
iii. Chemically eukaryotic chromosomes are made of mRNA, histone and non-histone proteins.
iv. The number of chromosomes varies within the population of a particular species.
Chromosomal theory of inheritance was put forth by ______
Extranuclear inheritance is a consequence of presence of genes in ______.
Mendel’s work was rediscovered by three scientists in the year ______.
Experimental verification of ‘chromosomal theory of inheritance’ was done by ______.
There was a mix-up at the hospital after a fire accident in the nursery division. Which of these children belong to the parents?
Genes located on same locus but having different expressions are:
Discuss in detail the contributions of Morgan and Sturvant in the area of genetics.
