Why Is Inbreeding A Problem
Inbreeding refers to the mating of closely related animals of the same breed. Inbreeding helps in the accumulation of superior... View Article
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What Is A Codon Sequence
Codon is a trinucleotide sequence present on DNA and complementary sequence present on mRNA transcript, which codes for a specific... View Article
What Is Darwins Natural Selection
According to Darwin, natural selection is the mechanism by which evolution occurs over time. Heritable traits, which make an individual... View Article
How Does Lactose Affect The Lac Operon
Lactose is a substrate for beta-galactosidase enzyme as well as acts as an inducer for lac operon. As an inducer,... View Article
What Does Xxy Syndrome Mean
XXY syndrome is also referred to as Klinefelter syndrome. Here males are born with an extra X chromosome. It usually... View Article
What Human Traits Are Codominant
Codominance is the condition where both alleles are equally expressed in a phenotype. ABO blood group inheritance shows codominance. The... View Article
Where Did Humans First Evolve From
Humans first evolved from Africa. Early hominids existed around 3-5 mya and modern humans or Homo sapiens evolved around 200,000... View Article
What Is An Example Of Human Evolution
A recent example of human evolution is the resistance to malaria disease. The deformed RBCs in the sickle cell anaemia... View Article
What Is An Example Of Mutation
Mutations are a change in the nucleotide sequence in the DNA. Mutations are the primary cause of genetic variation. Mutations... View Article
What Is An Operator In Lac Operon
Operator is the regulatory region overlapping the promoter of the lac operon. Repressor protein binds to the operator and inhibits... View Article
Is Genetic Code Universal
Genetic code refers to the trinucleotide sequence present on mRNA transcript, which codes for a specific amino acid. Genetic code... View Article
What Is The Fundamental Unit Of Evolution
The fundamental unit of evolution is the population. Evolution refers to the change in the inherited characteristics or gene pool... View Article
What Are The 2 Types Of Mutation
Mutation is the change of nucleotide sequence in DNA due to various factors. It leads to variation and is one... View Article
Is Genetic Drift Migration
Migration is the movement of genes and also referred to as gene flow, which changes the allele frequencies of a... View Article
Who Came Up With Genetic Drift
The term genetic drift was coined by Sewall Wright. It refers to the random fluctuations in allele frequencies of a... View Article
What Are The 3 Types Of Haemophilia
Haemophilia is a blood clotting disorder due to deficiency of a clotting factor. It is of three types with each... View Article
What Are The Patterns That Do Not Follow The Simple Rules Of Mendelian Inheritance
Traits, which do not segregate according to Mendel’s law of segregation or do not follow the law of dominance, show... View Article
What Is The Importance Of Heredity
Heredity is the passing on of traits from one generation to another. Heritable traits are passed on from parents to... View Article
What Does Gene Flow Between Populations Do
Gene flow is the migration of genes from one population to another. Gene flow changes the allele frequencies of a... View Article
Why Is Rna Unstable Than Dna
There are structural differences between RNA and DNA. RNA is single-stranded and contains a ribose sugar which makes it more... View Article
