Which non-disjunction event has more chromosome number aberrations? Why?

Q: What is something that occurs in prophase 1 of meiosis but not mitosis? How does this affect the end…

A: Crossing over between homologous chromosomes occurs in prophase 1 of meiosis  but not mitosis During…

Q: what is the benefit of crossing over?

A: REPRODUCTION:- It is the production of offspring from the parents. It is of two types:- 1)Asexual…

Q: How many genes are there on chromosome 3?

A: All cellular systems are controlled by proteins. The instruction for the synthesis of proteins is…

Q: The repeat expansion appears to occur during meiosis but not mitosis. Why mightthis be true?

A: Repeat expansions refer to the duplication of a single codon extensively. They are a type of dynamic…

Q: Σ 15. (05.06 LC) What occurs during meiosis when one gamete receives two of the same type of…

A: Question 15 What occurs during meiosis when one gamete receives two of the same type of chromosomes…

Q: Assume that meiotic nondisjunction event causes trisomy 8 in a newborn. If two of the three copies…

A: Nondisjunction is that the failure of the chromosomes to separate, that produces daughter cells with…

Q: Certain plants may have more than two copies of a chromosome. In some wild strawberries octoploid…

A: ExplasnatonPloidy is defined as the number of complete set of chromosomes. For example, an organism…

Q: Name the type of chromosome whose centromere is in middle.

A: Chromosomes are thread-like structure situated inside the nucleus of plant and animal cells. Each…

Q: Why are the X and Y chromosomes not considered homologous even though they recombine at the PAR…

A: Sex chromosomes are a type of chromosome that participates in sex determination. Humans and most…

Q: How many genes are there on chromosome 5?

A: Chromosomes are thread-like structure, which are composed of deoxyribonucleic acid (DNA) and…

Q: How many genes are there present on chromosome 14 ?

A: Chromosomes are the small structures like a thread situated within the nucleus ofvarious  plant and…

Q: What kind of chromosomal mutations is/are produced by unequal crossing over?

A: Chromosome mutations are changes that arise in chromosomes as a result of nuclear division mistakes…

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.