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i) What is synaptonemal complex?
ii) Explain the significance of crossing over with diagram. In which phase of cell division this process takes place?
multicellular organisms have division of labour? explain
where do mitosis and meiosis occur in animal and plants?
what is a mesosome in prokaryotic cell? mention the function it performs.
Draw the diagram of all five sub stages of prophase 1 of meiosis 1 and explain them.....pls give me these diagrams as soon as possible.....
The significance of meiosis lies in
a) reduction of diploid no. of chromosomes to haploid
b) maintaing constancy in no. of diploid chromosomes during sexual reproduction
c) production of genetic variability in population of species
d) all of above
which one is correct?
what are sister and non sister chromatids???????
what is the significance of mitosis and meiosis??
How many meiotic divisions are required to produce 1000 seeds(grain) of cyprus plant which is an expection to the division rule of ( n + n/4 ) ?
why interphase called resting phase?
HOW MANY MEIOTIC DIVISIONS ARE REQUIRED TO FORM 200 POLLEN GRAINS?
Mitosis and Meiosis take place respectively in
c) permanent tissue secretory tissue
d) secretory tissue permanent tissue. which one is correct?
what is a genome?
a. how many genomes are there in a haploid and diploid cell?
b. a cell has 24 chromosomes before cell division . how many chromosomes will be there in -
1. one of the daughter cells resulting from mitotic division?
2. one resulting from meiotic division?
figure of different stages of meiosis
difference between sister and non-sister chromatids
Why does multicellular organism require 2 types of celldivision?Which of the two produces greaternumber of cells?How many?
At which stage of cell division the morphology of chromosomes can be distincly studied?
what is centripetal and centrifugal manner?
Give brief account of somatic cell division ?
what is terminalization?
what is the significance of mitosis and meiosis?
what is the difference b/w miosos and mitosis
Can you explain the full process of meiosis 1?
what is the difference between cell cycle and cell division.
pls can ny one give the important questions of lesson cell cycle and cell division
How the chromosome number is maintained in offspring?
Which plant material is suited for studying mitosis?
are bivalent & tetrad the same thing?
What will be the amount of dna in meiosis II products if meiocyte contains 30 Pg DNA in G1 phase?
Difference between chromosomes and chromatin?
WHICH STAGE OF CELL DIVISION YOU WILL SELECT TO STUDY THE MORPHOLOGY OF A CHROMOSOME AND WHY?
plants dont have centrioles, so how are the spindle fibres formed for cell division? how can it divide without centriole? n if it can , why do animals need the centriole? What is its main function? arent spindle fibres formed by centriole? if nt then wer r they formed?
You have studied
what is anastral mitosis?
q.1what is the role of chromosomes in inheritance?
q2 what is genetic recombination?
q3 what is genetic mapping?
q4 what is diffrance between mitosis and meiosis?
q5 what is cell cycle and what's the function of cell cycle? please answer me as soon as it 's possible
Plant x has 2n=4 chromosomes.
i)Sketch various stages of meosis of this plant.
what is G0 phase of plant cell?
the main differences between mitosis and meiosis.
Cells in G0 phase( quiescent phase) of cell cycle
a)exit cell cycle
b) suspend cell cycle
c) terminate cell cycle
diferentiate between metaphase of mitosis metaphase 1 of meiosis?
what will be the total number of mitotic divisions in the formation of 64 daughter cells
how many meiotic divisions are necessary for the formation of 100 grains?? ans-125....please explain how??
what's synapse?with the help of diagram explain reflex action on knee jerk?
Resting Phase is the most active phase of cell cycle. Justify this statement!
What is chiasmata? State its significance.
What is DNA replication?
which structure of animal cell forms the asters of spindle?
cell division includes karyokinesis and cytokinesis. at what phase does the cytokinesis process BEGIN.?is it at the end of telophase, starting of telophase, end of prophase or starting of prophase?
during meiosis 1 .. in the prophase phase, when does terminalisation occur? in some buks it says in diplotene and in some it says diakinesis.. which one is correct?
synapsis (b) bivalent (c) chiasmata
a diagram to illustrate your answer.
name the cells in which meiosis occurs?(1 mark)
what is hemozygous?
what are nonhistone proteins? give some example...
what is chiasmata?? plz explain in simple words
The point at which polytene chromosomes appear to be attached together is called what? n why?
what are haploid and diploid cells ???
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