Do the genes of the X and Ychromosomes determine onlysex characteristics?

Q: Which parent passes on the Y chromosome to the child?

A: Part or all of the genetic material of an organism in a long DNA molecule is called a chromosome.…

Q: How many types of trisomy are there?

A: Trisomy is the presence of one extra copy of a chromosome in the genome. It is mostly caused by the…

Q: What is crossing over, when does it occur, and what is its significance

A: Genes located close together on the same chromosome are transmitted as a single unit to the daughter…

Q: Differentiate between somatic crossing over and meiosis crossing over.

A: In the crossing over process, parts of the chromosomes can be exchanged when two chromosomes, one…

Q: If a genetic male failed to produce MIS during fetal life, what would the result be?

A: The Müllerian-inhibiting substance (MIS) is a protein that is secreted from the testes, which leads…

Q: Define trisomy 16.

A: Chromosome disorders are non-inheritable abnormalities in which individuals possess either extra or…

Q: Describe how meiotic and mitotic nondisjunction occur and identify their possible phenotypic…

A: Nondisjunction is the process of failure of sister chromatids or homologous chromosomes to separate…

Q: Name and describe two birth defects resulting from nondisjunction of autosomes and two from…

A: Nondisjunction of chromosomes:- Non disjunction means failure of the paired chromosomes to separate…

Q: What does the sex chromosome genotype XXX produce in humans?

A: Human beings have two types of chromosomes found in their body, they are, autosomes and allosomes.…

Q: What is the relationship between non-disjunction, changes in chromosome number and miscarriage?  Why…

A: Chromosome abnormalities are of 2 types viz. numerical, where an individual has abnormal number of…

Q: What is crossing over and how does it affect the outcome of meiosis?

A: Meiosis is a type of division in which daughter cells possess half the number of chromosomes of…

Q: A male baby is born with the sex-chromosomeconstitution XYY. Both parents have normal sex…

A: The failure of separation of sister chromatids during cell division is termed nondisjunction. In the…

Q: Why is an X chromosome needed for survival?

A: The sex chromosomes or allosomes are X and Y chromosomes which determine the biological sex of an…

Q: Is it possible that an Xchromosome of a woman canhave come from her father?

A: Sex determination is a function of sex chromosome  in organisms. There are different ypes of sex…

Q: What are the products of crossing over?

A: The process in which parent cells divide and produce two or more daughter cells is referred to as…

Q: What is an example of Extrachromosomal inheritance?

A: Inheritance is the process by which this genetic information present in the genes is passed on from…

Q: Describe the outcomes of the three types of matings (F+ x F- , Hfr x F- , and F' x F- ).

A: The F+, F-,hfr, and F' cells are involved in conjugation that is a gene transfer method in bacteria.…

Q: What does the sex chromosome genotype XY produce in humans?

A: Sex chromosome, either of a pair of chromosomes deciding whether a individual is male or female.…

Q: Are any of them X-linked recessive or X-linked dominant?

A: In X-linked dominant inheritances, one affected X allele is enough to form the trait in both male…

Q: Q1: What are the odds that a given egg cell will contain an X chromosome? A Y chromosome? What are…

A: Note: We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: How does meiosis produce new combinations of alleles?

A: Introduction  A normal cell can divide by two process one is Mitotic cell division while the second…

Q: What is the end result of crossing over?

A: Crossing over allows the exchange of genetic material and forms unique combinations of alleles. This…

Q: What gene normally present on the Y chromosome is responsible for a male phenotypic sex?

A: Sex determination in humans is based on the type of chromosomes present in an individual. Humans…

Q: What is crossing over? Howis meiosis related to thisphenomenon?

A: Meiosis : A type of cell division in which parent cell give rise to 4 haploid (n) daughter cells.…

Q: how is it possible for a person who inherited XY gene to have female phenotype?

A: There are 46 chromosomes in each cell of the human body. The sex chromosomes, X and Y, are two of…

Q: The human RGS10 gene is found on Chromosome 10.  How many copies of RGS10 does one egg gamete have,…

A: The meiotic cell division is a process that takes place exclusively during the phenomenon of Sexual…

Q: What are the 8 stages of meiosi

A: Meiosis is a type of cell division in which the parent cell divides twice into four daughter cells…

Q: Can a trisomic A/A/a ever produce a gamete of genotype a?

A: Gamete- these are the cells that are capable of producing a new organism. These are the haploid…

Q: What does the sex chromosome genotype OY produce in humans?

A: Chromosomes are the unit of inheritance that carry genetic information from one generation to…

Q: How many copies of each gene are found in the diploid cells in a woman’s body?

A: Introduction Any cell contains a specific number of chromosomes it is referred to as ploidy level or…

Q: Which of the phases of XCI occurs in anadult female?

A: X chromosome inactivation is a gene silencing program on one of the X chromosomes in females. This…

Q: During embryonic development, what event causes one of the twoX chromosomes to be remain active,…

A: Introduction: X chromosome inactivation is also referred to as Lyonization and is a process in which…

Q: whar are the meiotic events that could lead to the birth of an individual with either Patau syndrome…

A: The meiotic events causing Patau syndrome, or Turner syndrome in an individual. Introduction: Patau…

Q: What does the sex chromosome genotype XO produce in humans?

A: Step 1 Allosomic genetic determination of sex is determined by distinct chromosomes called sex…

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.