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प्रश्न
In a certain taxon of insects some have 17 chromosomes and the others have 18 chromosomes. The 17 and 18 chromosome-bearing organisms are ______.
पर्याय
males and females, respectively
females and males, respectively
all males
all females
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उत्तर
In a certain taxon of insects some have 17 chromosomes and the others have 18 chromosomes. The 17 and 18 chromosome-bearing organisms are males and females, respectively.
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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
Classify the chromosomes on the basis of position of centromere.
Explain codominance in colour coat in cattle with checker board method.
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
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.
Which of the following does NOT agree with chrotnosomal theory of inheritance?
A gene pair hides the effect of another. The phenomenon is ______.
Which three scientists independently rediscovered Mendel’s work?
What are minisatellites?
What do you mean by locus?
Which of the following phase follows S and G2 phases of interphase?
Genes located on same locus but having different expressions are:
Discuss in detail the contributions of Morgan and Sturvant in the area of genetics.
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
According to the Chromosomal Theory of Inheritance, what are the specific positions on chromosomes where genes are located called?
The Chromosomal Theory of Inheritance is also known by which alternative name?
In what year did Walter Sutton publish the formal paper "The Chromosomes in Heredity" that linked Mendel's laws to chromosome behaviour?
