Animal reproduction, Biology

Assignment Help:

Animal Reproduction -

Reproduction is the ability to produce new organism of its own type. It is meant to increase their number.

Reproduction includes -

(i) Replication of DNA                                          

(ii) Cell division

(iii) Formation of reproduction units                      

(iv) Division into offsprings.

Animals reproduce mainly in two ways -

S.NO.

ASEXUAL

SEXUAL

 

1.

 

2.

 

3.

 

4.

 

5.

 

6.

 

7.

 

8.

 

9.

 

10.

 

It is uniparental

 

Gametes are not formed

 

Reproductive organs are not needed

 

No fertilisation

 

Offsprings are similar to parent

 

New characters do not appear

 

No variation

 

No evolution

 

Definite process

 

Generation leads to extinction

 

uni / biparental

 

formed

 

needed.

 

fertilisation occur

 

different

 

appear

 

variation present

 

evolution takes place

 

Indefinite process

 

Not so


Related Discussions:- Animal reproduction

Investigations of food borne diseases, Q. Investigations of food borne dise...

Q. Investigations of food borne diseases? Most important aspect of food borne disease would be to collect the right sample. Now, what procedure to follow while collecting th

Protein case study, DK is a year old female who was born after a normal pre...

DK is a year old female who was born after a normal pregnancy and delivery.  At 17 months of age DK showed signs of speech delay, increased lethargy and vomiting up to four times p

Show the effect of left ventricular hypertrophy, Q. Show the Effect of Left...

Q. Show the Effect of Left Ventricular Hypertrophy? The increase in coronary flow has been termed flow reserve and its magnitude is important in providing adequate perfusion t

Modification of performance traits, M o dification of performance traits ...

M o dification of performance traits Modifications to livestock that could influence traits such as growth rate, feed efficiency and meat quality are major goals for livestoc

What do you know about vascular access, Q. What do you know about Vascular ...

Q. What do you know about Vascular Access ? Femoral and brachial arteries are still the commonest routes of access for aortography. Thoracic Aorta A sound knowledge of

Which gas expect to be more soluble in water, Which gas in each of the foll...

Which gas in each of the following pairs would you expect to be more soluble in water? Why? (a) Oxygen and Carbon Dioxide (b) Nitrogen and Ammonia (c) Methane and Hydrogen Sulfide.

Why can the genetic code be qualified as a degenerate code, Why can the gen...

Why can the genetic code be qualified as a "degenerate code"? The genetic code is a degenerate code because there are amino acids codified by more than one type of codon. It is

Define influence of polyphenols on carbohydrates, Define influence of polyp...

Define influence of polyphenols on Carbohydrates? Binding of proteins may indirectly affect carbohydrate absorption. Inhibition of amylolytic enzymes and subsequent reduction o

Are hookworms monoxenous or heteroxenous, Q. Are hookworms monoxenous or he...

Q. Are hookworms monoxenous or heteroxenous? The Monoxenous are Hookworms that is their life cycle depends only on one host.

ANIMAL COMMUNICATION, what is the excitation threshold of a neuron?how does...

what is the excitation threshold of a neuron?how does this threshold relate to the all or nothing rule of neural transmission

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd