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Heredity

Definition

noun

(1) The passing of genetic factors from parent to offspring (or from one generation to the next).

(2) The genetic constitution of an individual.


Supplement

Heredity is the means by which an offspring acquires the qualities of its parents. Genetics is the science that studies heredity.


Word origin: MF heredite < L hērēditāt- (s. of hērēditās), inheritance.


See also: hereditary, pangenesis, genetics.


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Re: Year 11 Meiosis helpp!!!

During the first part of meiosis (prophase 1) there can be recombination (crossover) of homologous chromosomes. This would show up on your diagram as being a little bit of red on one arm of the blue X, and a matching little bit of blue in the same place of the red X. That is a "cross over"...

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by ChrisHoStuart
Wed Oct 16, 2013 9:36 am
 
Forum: Human Biology
Topic: Year 11 Meiosis helpp!!!
Replies: 3
Views: 2956

Need help in an assignment

hallo everyone I have a question in which i need to find out what is the most suitable heredity system to a rare disease. the answers are: 1.x linked recessive 2.x linked dominant 3.autosomal recessive which appears only in males 4.autosomal dominant which appears ...

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by dreamtim
Sun Sep 09, 2012 12:39 pm
 
Forum: Genetics
Topic: Need help in an assignment
Replies: 17
Views: 11476

Re: Chromosomes And Heredity

I would agree that the answer is A-Mitosis. Basically, mitosis is a process where the cell genetic content (2N or diploid) is duplicated. Watson and Crick described the process as semi-conservative. New copies of each chromosome actually contain one strand from the original cell and one new strand, ...

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by DougB
Wed May 16, 2012 3:24 pm
 
Forum: Genetics
Topic: Chromosomes And Heredity
Replies: 4
Views: 7342

Chromosomes And Heredity

... according to "Introduction to Biology WEST AFRICAN EDITION", a biology text book written by D G Mackean with topic on 'CHROMOSOMES AND HEREDITY', I quote from one of the pages: The cytoplasm of the sperm fuses with of that of the ovum and the male nucleus passes into the ovum, coming ...

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by chikis
Wed May 16, 2012 10:31 am
 
Forum: Genetics
Topic: Chromosomes And Heredity
Replies: 4
Views: 7342

Molecular gene (genome) concept scientifically untenable

... gene was born, christened, and brought up during that period. In 1865, the Austrian monk Johann Gregor Mendel proposed three laws governing heredity, which however did not see light of the day until after 30 years when in 1900 three botanists independently and almost simultaneously rediscovered ...

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by PAWahid
Wed May 02, 2012 4:54 am
 
Forum: Molecular Biology
Topic: Molecular gene (genome) concept scientifically untenable
Replies: 12
Views: 28991
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