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प्रश्न
What is gene pool?
उत्तर
A gene pool is the set or collection of all the genes in a population of any particular species.
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संबंधित प्रश्न
A male honeybee has 16 chromosomes whereas its female has 32 chromosomes. Give one reason.
If the haploid number in a cell is 18. The double monosomic and trisomic number will be
Mention the name of man-made cereal. How it is formed?
Read the following statements regarding 'X and Y' chromosomes and select the correct option.
P - Due to presence of large amount of euchrornatin X chromosome is genetically more active.
Q - Due to presence of small amount of heterochromatin Y chromosome is genetically more active.
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.
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- They occur in pairs.
- They segregate during gamete formation.
- They show linkage.
- Independent pairs segregate independently.
Genes located on same locus but having different expressions are:
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In a karyotype analysis, X and Y chromosomes represent sex chromosomes.
Name the scientist who discovered the X chromosome.
