Advertisements
Advertisements
Question
Differentiate between
Gametic meiosis and Zygotic meiosis.
Advertisements
Solution
| Gametic meiosis | Zygotic meiosis |
| When the reproductive cells of a diploid organism undergoes meiosis to produce haploid gametes, it is called gametic meiosis. | Some algae and fungi are haploid adults. They produce haploid gametes which upon fertilization form a diploid zygote. This‘zygote undergoes meiosis to form haploid spores, which on repeated mitotic division form the adult body. |
RELATED QUESTIONS
The Chromatin material is formed forms of ______.
Expand the following biological abbreviations :
DNA
Choose the correct answer:
Centromere is related to ________
Choose the correct answer:
Minimum coiling in chromosome is at ________________
Write a sentence of the following:
Sheath
Give Reasons for the following
Chromosomes are the carriers of heredity.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Chromosomes other than sex-chromosomes are autonomous.
Multiple Choice Question:
How many chromosomes are found in a cell of humans?
Multiple Choice Question:
The period between two successive mitotic divisions is
Name the following:
The diploid number for cell of man.
Multiple Choice Question
Chromosomal aberrations are caused by:
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| Genetics | Chromosomes are similar in size and shape. |
| Autosomes | The alternative forms of a gene. |
| Recessive gene | Study of laws of inheritance of characters |
| Allele | A gene that can express only when in a similar pair. |
| Homologous chromosomes | Chromosomes are other than the pair of sex chromosomes. |
Compare X chromosome and Y chromosome.
The loss of one or more chromosomes in ploidy is called ______.
Read the following statements and select the correct option.
Statement I: The densely packed transcriptionally active, light staining region of chromatin is known as 'Heterochromatin'.
Statement II: The loosely packed, dark staining transcriptionally inactive region of chromatin is known as 'Euchromatin'.
Differentiate between X-chromosome and Y-chromosome with reference to –
- length of non-homologous regions
- type as per the position of the centromere
The chromosomes are duplicated in ______.
The two non-sister chromatids of a paired chromosome are attached to each other at ______ during the process of crossing over.
Given below is a set of four term. Choose the odd one and write the category of the remaining term:
In the human male, a sperm contains autosomes and ______.
