What Diseases Are Caused By Chromosomal Abnormalities
Some of the diseases caused by chromosomal abnormalities are – Klinefelter syndrome, Down syndrome, Turner syndrome, trisomy 13, Wolf-Hirschhorn syndrome,... View Article
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What Is The Rarest Chromosomal Disorder
The occurrence of some diseases is very rare. Some are – chromosome 10, distal trisomy 10q. Mosaic trisomy 16, Trisomy... View Article
Which Hormone Triggers Spermatogenesis
Hormones such as follicle stimulating hormone (FSH, testosterone and luteinizing hormone (LH) are known to regulate the process of spermatogenesis.... View Article
Do Oogenesis And Spermatogenesis Both Continue Throughout The Human Lifespan
No. While spermatogenesis exists throughout their lifetime in men (reduces with ageing), oogenesis lasts only until menopause as a... View Article
Is Spermatogenesis A Meiosis
Sperm cells develop through spermatogenesis. The rounded immature sperm cells experience successive meiotic and mitotic divisions in addition to a... View Article
At What Age Does Spermatogenesis End
Spermatogenesis is a lifelong process persisting in ageing men. But, the spermatogenic efficiency calculated by the count of spermatozoa generated... View Article
How Do We Inherit Our Chromosomes
Chromosomes are inherited from parents to offspring. We contain 2 sets of chromosomes (2×23), one from each parent. At the... View Article
Where Do Genes Come From
Genes are the basic functional units of heredity. They are inherited from parents to offspring. Further reading: Polygenic Inheritance Chromosome... View Article
How Do You Identify Genes
Genes are a stretch of DNA and contain a specific nucleotide sequence. They can be identified by their sequence. Further... View Article
How Do You Identify Chromosomes
Chromosomes can be identified by their size, centromere position and a specific banding pattern. Chromosomes are most distinct during the... View Article
What Is The Smallest Unit Of Heredity
Genes are the basic functional units of heredity. Genes are a segment of DNA. They are responsible for a specific... View Article
How Many Human Genes Are There
Humans contain around 30,000 genes and function of around 50% genes is not yet discovered. Further reading: Polygenic Inheritance Chromosome... View Article
What Does It Mean When Two Chromosomes Are Homologous
We have two sets of chromosomes. One set is inherited from each parent. A pair of chromosomes are known as... View Article
What Is Same In Homologous Chromosomes
Homologous chromosomes have similar size and shape, they contain the same genes in the same order and at the same... View Article
Which Are The Two Main Parts That Make Up A Chromosome
Chromosomes mainly constitute DNA and histone proteins. DNA is wrapped around a core of histone octamer to form a nucleosome.... View Article
Who Discovered The Gene
Wilhelm Johannsen coined the term genes to describe the Mendelian factors. Gene is a functional segment of DNA, which codes... View Article
Do Any Genes Have More Than Two Alleles
Yes, multiple alleles can exist for a gene in a population but an individual (2n) contains only a pair of... View Article
How Do You Know If Genes Assort Independently
We can determine if a gene is assorting independently or not by determining the recombination frequencies. If genes are present... View Article
How Do You Determine The Order Of Genes On A Chromosome
Order of genes on a chromosome can be determined by measuring the recombination frequencies. It helps in estimation of the... View Article
What Is An Example Of Linked Genes
Linked genes are those genes, which are present close together on the same chromosome and cannot assort independently at the... View Article
