Advertisements
Advertisements
Question
Synapsis occur between ______.
Options
mRNA and ribosomes
Spindle fibres and centromeres
Two homologous chromosomes
A male and a female gamete
Solution
Synapsis occur between two homologous chromosomes.
RELATED QUESTIONS
Discuss with your teacher about haploid insects and lower plants where cell-division occurs.
Discuss with your teacher about some haploid cells in higher plants where cell-division does not occur.
Can there be DNA replication without cell division?
Choose the correct option.
The connecting link between Meiosis-I and Meiosis-II is ______.
Choose the correct option.
Synapsis is pairing of ______.
Spindle apparatus is formed during which stage of mitosis?
Choose the correct option.
How many meiotic divisions are necessary for the formation of 80 sperms?
Choose the correct option.
How many chromatides are present in anaphase-I of meiosis-I of a diploid cell having 20 chromosomes?
Answer the following question.
Students were shown some slides of cancerous cells. Teacher made a comment as if there would have been control at one of its cell cycle phase, there wouldn’t have been a condition like this. Which phase the teacher was referring to?
Answer the following question.
Some Mendelian crossing experimental results were shown to the students. Teacher informed that there are two genes located on the same chromosome. He enquired if they will be ever separated from each other?
Match the following column A with column B.
Column-A (phases) |
Column-B (Their events) |
a. Leptotene | 1. Crossing over |
b. Zygotene | 2. Desynapsis |
c. Pachytene | 3. Synapsis |
d. Diplotene | 4. Bouquet stage |
Anaphase promoting complex APC is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in human cell, which of the following is expected to occur?
In meiosis crossing over is initiated at ______.
Colchicine prevents the mitosis of the cells at which of the following stage______.
The paring of homologous chromosomes on meiosis is known as ______.
Write any three significance of mitosis.
Write about Pachytene and Diplotene of Prophase I
If a tissue has at a given time 1024 cells, how many cycles of mitosis had the original parental single cell undergone?
Name the pathological condition when uncontrolled cell division occurs.