What Is The Source Of The Extra Chromosome 21
The extra chromosome 21 is present in the Down syndrome. It occurs due to nondisjunction of the chromosome during cell... View Article
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Why Do Females Show A Barr Body In Their Cells
Barr body is formed as a result of inactivation of genes on one of the X chromosomes present in females.... View Article
What Is An Xy Female
Females with XY karyotype with 46 chromosomes is a type of disorder known as Swyer syndrome or XY gonadal dysgenesis.... View Article
Which Organelle Shows Maternal Inheritance
Mitochondria show maternal inheritance. They are inherited from the ovum. Further reading: Polygenic Inheritance Chromosome Structure Cell – The Unit... View Article
How Many Chromosomes Do You Inherit From Your Father
We are diploid organisms. Each cell of our body contains two sets of chromosomes, one from each parent. So, we... View Article
What Is A Two Point Test Cross
A test cross is done between a dominant phenotype and a recessive phenotype to estimate the zygosity of the dominant... View Article
Why Do Linked Genes Not Follow The Pattern Of Inheritance
Linked genes are present on the same chromosome and do not segregate independently while gamete formation, so they do not... View Article
How Can We Predict Inheritance Patterns
If we know the type of inheritance of the gene such as dominant, recessive or sex-linked, we can predict the... View Article
What Is Biological Inheritance
Biological inheritance is another term for heredity or inheritance. It is the passing of genes or characteristics from parent to... View Article
What Genes Are Recessive
The recessive allele of a gene is that allele whose effect is masked by the dominant allele of that gene.... View Article
How Do You Know If You Have Recessive Genes
If a trait skips a generation then it can be a recessive gene. Recessive genes can be found out by... View Article
What Does It Mean If Two Genes Are Linked
The linked genes refer to tightly linked genes, which are present in close proximity and are often inherited together as... View Article
What Are Both Chromosomes And Genes Made From
Both genes and chromosomes are made from DNA. Genes are the basic functional unit of heredity and comprise a small... View Article
What Is The Difference Between Euploidy And Aneuploidy
Euploidy refers to the change in the complete set of chromosomes, i.e. loss or gain of the full set of... View Article
What Are The Two Types Of Aneuploidy
Aneuploidy refers to loss or gain of one or more chromosomes. The two types of aneuploidy are monosomy and trisomy.... View Article
What Is Chromosome Mapping
Chromosome mapping refers to the mapping of genes’ location on a chromosome. It is represented as an idiogram. It tells... View Article
Who Is The Father Of Experimental Genetics
Thomas Hunt Morgan is known as the father of experimental genetics. He gave the experimental evidence of the chromosomal theory... View Article
Which Chromosome Has Most Genes
In the human genome, chromosome 1 has the most genes. It has 2968 genes. Chromosome Y contains the least number... View Article
How Chromosomes Are Involved In The Process Of Inheritance
Sutton and Boveri introduced the chromosomal theory of inheritance. Genes are responsible for the structure and function of every cell.... View Article
What Are The Basic Units Of Heredity
Genes are the basic functional units of heredity. Genes are a small stretch of DNA present on chromosomes. Genes code... View Article
