Related Questions

Consider the following statements regarding supernumerary chromosomes and choose the correct answer:
1. They are not homologous with any of the normal chromosomes
2. They form synapses among themselves
3. They are generally smaller than normal chromosomes
4. They are found more commonly in plants than in animals
Consider the following statements
1. The bundled axons of the ganglion cells from both the eyes, first travel to the base of the brain and come together in the optic chiasma
2. At the optic chiasma stimuli from the left visual field are sent to the right occipital lobe for further processing
3. Stimuli from the right visual field are sent to the left occipital lobe
Select the correct answer from the options given below:
The process by which the termin chiasma slips off the ends of the chromosome and its position is taken up by an interstitial chiasma is called
Consider the following statements.
1. Human beings have 23 pairs of chromosomes.
2. Sex chromosome in human male are named XY.
3. Chromosomes are best seen in metaphase.
Which of the statements given above is/are false about chromosomes?
The separation of the chromosomes in diplotene stage starts at _________________
Homologous chromosomes in zygotene pair due to attraction and synaptonemal complex formation. Which of the following is true for diplotene phase?
The chromosomes in oocytes persist in diplotene stage for 12-50 years. State if it is true or false.
The separating chromosomes during diplotene are held together at one or more points, where breaks and fusion had occured, called as
Of the two diploid species, species I has 36 chromosomes and species II has 28 chromosomes. How many chromosomes would be found in an allotriploid individual?
Assertion (A) Human beings have 23 pair of chromosomes, one of which is the sex chromosomes and the remaining are 22 autosomes. The X-linked disease are related to mutation on a sex chromosomes.
Reason (R) Colour blindness results from a mutation in X-chromosome.