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Nondisjunction: Failure of paired chromosomes to separate (to disjoin) during cell division, so that both chromosomes go to one daughter cell and none go to the other. Nondisjunction causes errors in chromosome number, such as trisomy 21 (Down syndrome) and monosomy X (Turner syndrome).

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Main moto of mutuation

Posted by Anjali Singh 8 years, 1 month ago

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Vithika Singh 8 years, 1 month ago

To bring evolution

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Unique Person Arupitw 8 years, 1 month ago

Mutuation

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Want is gammule formation?

Posted by Sheetal Wankhede 8 years, 1 month ago

CBSE > Class 12 > Biology

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Sheetal Wankhede 8 years, 1 month ago

Gemmule formation

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What is sporulation?

Posted by Sheetal Wankhede 8 years, 1 month ago

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What is ascariasis

Posted by Sadik Rana 8 years, 1 month ago

CBSE > Class 12 > Biology

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Garima Suyal 8 years, 1 month ago

What u know about elephant at is similar

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Shalini Tiwari 8 years, 1 month ago

Ascariasis is an infection of the small intestine caused by Ascaris lumbricoides, which is a species of roundworm.

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What is cry Gene..???

Posted by Sahil Charlie 8 years, 1 month ago

CBSE > Class 12 > Biology

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Garima Suyal 8 years, 1 month ago

BT toxin PD lo

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Abc Arora 8 years, 1 month ago

They are present in bacillus thuringiensis

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Btcotton

Posted by My Ahir 8 years, 1 month ago

CBSE > Class 12 > Biology

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Bakhshish Laddy 8 years, 1 month ago

Bacillus thuringiensis

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what do you mean by prob. ?

Posted by Ekta Yadav 8 years, 1 month ago

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What is rna

Posted by Akansha Chaubey 8 years, 1 month ago

CBSE > Class 12 > Biology

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Shalini Tiwari 8 years, 1 month ago

ribonucleic acid, a nucleic acid present in all living cells. Its principal role is to act as a messenger carrying instructions from DNA for controlling the synthesis of proteins, although in some viruses RNA rather than DNA carries the genetic information.

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Posted by Ambika Anu 8 years, 1 month ago

CBSE > Class 12 > Biology

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Unique Person Arupitw 8 years, 1 month ago

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When and at what does tailing hrRNA take place

Posted by Anjali Hangshing 8 years, 1 month ago

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When and at what end does the tailing of hrRNA takes place

Posted by Anjali Hangshing 8 years, 1 month ago

CBSE > Class 12 > Biology

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Name the host cells in which micro injectio tecnique is used to introduce an alien dna

Posted by Cool Guy 8 years, 1 month ago

CBSE > Class 12 > Biology

2 answers

Anjali Arya 8 years, 1 month ago

Animal cell

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Cool Guy 8 years, 1 month ago

Please answer

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Name the transcriptionally active region of chromatin in a nucleus

Posted by Aditya Pratap 8 years, 1 month ago

CBSE > Class 12 > Biology

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Yuthika Yadav 8 years, 1 month ago

Most probably its euchromatin

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Define the following terms .............1) Sporulation 2) Gemmule formation

Posted by Sheetal Wankhede 8 years, 1 month ago

CBSE > Class 12 > Biology

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Define DNA polymerase???

Posted by Shubham Soni 8 years, 1 month ago

CBSE > Class 12 > Biology

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Bakhshish Laddy 8 years, 1 month ago

DNA polymerase is a enzyme that synthesize DNA molecular from deoxyribonucleotide the buildings blocks of DNA

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Aditya Pratap 8 years, 1 month ago

Dna

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To study the water holding capacity of soil collected from two different sites. Write material required diagram observation result and precautions

Posted by Priya Sarsar 8 years, 1 month ago

CBSE > Class 12 > Biology

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What are the mega biodiversity centers

Posted by Naveen Barjatiya 8 years, 1 month ago

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What is electrostatic precipitator

Posted by Sparsh Anand 8 years, 1 month ago

CBSE > Class 12 > Biology

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Why are humans are warm blooded

Posted by Prateek Upadhyay 8 years, 1 month ago

CBSE > Class 12 > Biology

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Shalini Tiwari 8 years, 1 month ago

because we can maintain a our body temperature regardless of the external temperature.

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Scientific name of pea

Posted by Masuma Akhtar 8 years, 1 month ago

CBSE > Class 12 > Biology

1 answers

Prakhar Gupta 8 years, 1 month ago

Pisum sativum

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Tell me the time table means how many hours a days should I give to biology study

Posted by Anjali Sharma 8 years, 1 month ago

CBSE > Class 12 > Biology

3 answers

Anjali Sharma 8 years, 1 month ago

Pagal

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Amit Kumar 8 years, 1 month ago

daily no no daily biology once a month not very healthy ..cancer aids and other SIDS

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Rakshith Rockzz 8 years, 1 month ago

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What is parturition explain the process

Posted by Nooman Ansari 8 years, 1 month ago

CBSE > Class 12 > Biology

2 answers

Amit Kumar 8 years, 1 month ago

net sei chappa hai chori nei ye sab

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Anjali Sharma 8 years, 1 month ago

Vigorous contraction of the uterus at the end of pregnancy causes explusion/delivery of the foetus. This process of delivery of the foetus is called parturition. Parturition is induced by a complex neuroendocrine mechanism.

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Why does dna replication occur in small replication form not in internal

Posted by Aarush Mp 8 years, 1 month ago

CBSE > Class 12 > Biology