Why are lethal dominant genes much more rare than lethal recessive genes?

Q: Can Mendelian genetics explain blood type? Why or why not?

A: Mendelian genetics, named after the 19th-century Austrian monk Gregor Mendel, is a type of genetic…

Q: Which gene  is inherited from the mother only?

A: Cell division is a process of a parent cell replicating it chromosomal content and dividing itself…

Q: What are the inheritable patterns of a dominant and recessive lethal allele? Is Huntington Disease…

A: A large proportion of genes in an individual's genome are very important for survival for life.

Q: Why does it take longer to eliminate a recessive allele than a dominant allele?

A: Genes are the hereditary unit of an organism that gets transferred from the parent to the offspring.…

Q: Why are recessive conditions more common than dominant ones? How could being a carrier of a…

A: Most of genetic disorder are caused by recessive mutation. DNA sequence variant are harmless when a…

Q: Let’s suppose a genetic disease is caused by a mutantallele. If two affected parents produce an…

A: Genetic disease is defined as an inherited medical condition or state caused by an abnormality in…

Q: What are inheritence of two genes?

A: Genes are basic units of inheritance. Gene is  a specific sequence of DNA which encodes specific…

Q: How many phenotypes are possible?

A: All cellular systems are controlled by proteins. Proteins are synthesized by the cell by a process…

Q: What is preformationism? What did it have to say about how traits are inherited?

A: The preformationism was the 1st theory concerning generation and development and it is applied to…

Q: What are three similarities and three differences between dominant alleles and recessive alleles?

A: Genetics is a study of genes, heredity, and genetic variation in an organism. Living organisms…

Q: Which are the two kinds of biological abnormalities that could conceivably be inherited ?

A: Biological abnormalities refer to any condition of the body that alters from the normal parameter;…

Q: What are genomic imprinting and nondisjunction?

A: The process of genomic imprinting and nondisjunction are related to genetic material or genome.…

Q: Why are some alleles dominant and some recessive?

A: A short-portion of the DNA is termed as a gene. The genes are the essential functions as well as…

Q: When might you see an autosomal dominant trait skip generations?

A: The genes that are present on the non-sex cells are called “autosomal genes”. An autosomal dominant…

Q: What is the difference between multiple alleles and polygenic inheritance?

A: Multiple Alleles --  Allele --( Allelomorphs ) It is an variant of a gene , some genes have variety…

Q: What describes a situation in which an allele's expression depends on the parent from which it was…

A: A gene is present in different forms that are expressed in a phenotype; allele is a one of the…

Q: How are the alleles of a gene different from each other? What is its importance?

A: Alleles are different variants of the same gene that are genetically different . For example, a gene…

Q: If children obtain half of their genes from one parent and half from the other parent, why aren't…

A: Genes  Genes are the hereditary units of DNA which transfer from parents to their offsprings. Genes…

Q: What is extranuclear inheritance? Describe three examples

A: DNA is the genetic material found in all prokaryotic and eukaryotic cells. DNA is double stranded…

Q: For sex-linked recessive traits, only females can be “carriers”, like how both Diana and Olivia are…

A: Hemophilia is defined as a rare bleeding disorder which is also known as sex-linked recessive…

Q: Explain why most loss-of-function alleles are recessive to wild-type, but some are incompletely…

A: An allele determines the hereditary characteristics. Most of the genes have two alleles, namely the…

Q: What is the phenomenon of a single gene determining a number of distinct and seemingly unrelated…

A: Introduction: Gene is a segment of DNA that determines the phenotypic characteristics of the…

Q: What is the difference between homozygous recessive and homozygous?

A: The collection of genes in an individual is called genotypes. Each trait is coded by a pair of…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.