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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
Define the term ‘genome’.
How many chromosomes do drones of honey bees possess?
Explain the types of chromosomes on the basis of position of centromere.
Name the type of cell division involved in the production of sperms by honey bees.
Choose the correct options of the following question:
Study the given monohybrid cross:
A test cross for this Fj will be:
Define the Homologous chromosomes
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?
Changing the codon AGC to AGA represents
When two different genes came from the same parent they tend to remain together.
Write the observed phenotypic ratio.
If you cross dominant genotype PV/PV male Drosophila with double recessive female and obtain F1 hybrid. Now you cross F1 male with double recessive female.
What is the possible genotype in the F2 generation?
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.
Extra nuclear chromosomes occur in ______.
In a certain taxon of insects some have 17 chromosomes and the others have 18 chromosomes. The 17 and 18 chromosome-bearing organisms are ______.
During mitosis, chromosomes distribution to the daughter cell is ______.
Who postulated the 'Chromosomal theory of inheritance'?
