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

Q: How can epistasis explain incomplete penetrance?

A: Penetrance in genetic terms refers to the ratio of individuals that carry a specific allele of a…

Q: What is Extrachromosomal inheritance?

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

Q: Explain why a triploid individual is usually infertile?

A: The individual having three sets of haploid chromosomes (3n) is termed as triploid. Triploid…

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: explain the Nondisjunction during first meiotic division

A: The process in which the diploid cell produces haploid gametes is called meiosis. The chromosomes…

Q: For a couple, what is the significance of knowing chromosomal aberrations?

A: Chromosomes are thread-like structures present inside the nucleus of the cell. They are made up of…

Q: Why are newborns with an abnormal sex chromosome number more likely to survive than those with an…

A: Humans have a total number of 46 chromosomes that is 23 pairs of chromosomes in which 22 of them are…

Q: Will couples be able to select embryos with certain genes encoding desirable traits for height,…

A: Reproduction is the phenomenon of producing offspring from the parent. The reproduction can be…

Q: Define trisomy 16.

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

Q: The prenatal cells have" Aacc" type alleles, which gamete is not possible?

A: There are majorly three laws proposed by Mendel, which include law is Segregation that describes the…

Q: Will any of the XY offspring be heterozygous (carriers) for that trait? Will any express it?

A: Be fore getting into result we need to know what Is A Carrier? A carrier is a person who has a…

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: How is it that some chromosomal abnormalities are incompatible with life as early as immediately…

A: Chromosomal abnormalities are one of the reasons of miscarriage and stillbirth and spontaneous…

Q: What occurs during crossing over?

A: Cell division is a process by which a cell divides into two or more daughter cells. cell division…

Q: If you ignore the effect of crossing over, would you expect differences in the genetic information…

A: Crossing over It is defined as the exchange of genetic material that occurs in the germ line. During…

Q: Although triple-X human females typically have normal offspring, what kinds of gametes, with respect…

A: Introduction In humans, the X chromosome is one of two sex chromosomes, the other is the Y…

Q: What does abnormal male karyotype mean?

A: A karyotype is the visual picture of number and morphology of chromosomes. It consists of analyses…

Q: Can a woman who is affected by an X-linked dominant disorder have a child who is not affected? Why…

A: In physiology, X-linked dominant disorder is defined as genetic disorder occurs due to X chromosome…

Q: An individual that is genetically male develops as a female. Is this individual more or less likely…

A: The males have one X chromosome and one Y chromosome and the females have a pair of X chromosomes.…

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: Why can a person carrying a translocation be normal except for theinability to have children?

A: Translocation is a hereditary change were a piece of one chromosome servers and connects to another…

Q: Crossing over gives genetic and happens during the stage of meiosis I.

A: Cell division happens when a parent cell divides into two or more daughter cells.  There are two…

Q: Explain how triplets are created naturally (without medical intervention during prenatal…

A: Sexual reproduction is the specialized process in which two distinct individuals participate and…

Q: Male pattern baldness is a recessive sex-linked trait on the X chromosome (Xb).  A woman, who is…

A:

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 will happen when during meiosis, chromosomal crossover will not occur?

A: At pachytene (prophase-I) stage of meiosis, non-sister chromatids of homologous chromosomes exchange…

Q: If the proband (III-2) marries a carrier woman, what is the probability that they will have an…

A: The inheritance pattern observed from the given pedigree is an X-linked dominant trait.

Q: Explain the difference between X-linked recessive traits and X-linked dominant traits. What are the…

A: Some diseases are inherited genetically. These diseases are either autosomal or sex-linked. Genes of…

Q: Explain about double fertilisation.

A: Nawaschin was the first to show that both male and female gametes are involved in fertilisation in…

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

A: The human cell contains 23 pairs of chromosomes. The first twenty three pairs of chromosomes are the…

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: Can a son be a carrier for an X-linked trait? Explain.

A: The genetic makeup of an offspring is determined by the genetic makeup of both parents; that is, the…

Q: Why does a single X chromosome cause infertility and other abnormalities in Turner Syndrome…

A: Turner syndrome (TS) is a genetic disorder that mostly affects females. The clinical features of…

Q: A diploid organism has five pairs of chromosomes in each somatic cell. Assuming that no crossing…

A: When the DNA molecule is well organized and packaged into thread-like structures in the nucleus of…

Q: If you ignore the effect of crossing over, would you expect the genetic information in the two…

A: Spermatogenesis results in mature male gametes, also known as sperm but more precisely as…

Q: Could a man with an O blood type be the father of an AB child? and why?

A: The man with blood type O cannot have a child with AB blood type.In blood types, the allele Io is…

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: During meiosis, does random assortment occur before or after crossing-over?

A: Meiosis is the cell division that includes meiosis I and meiosis II without any DNA replication…

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: During meiosis in male mammals, sex chromosomes segregate to produce two types of sperm: X‑bearing…

A: In mammals sex determination is male heterogametic type in which the male produces two types of…

Q: Explain the term double fertilisation.

A: A flower is the reproductive part of the modified thick shoot of an angiosperm plant. In order to…

Q: A couple (Aa x Aa) decides to have a child, what is the probability that their first child is female…

A: "Genetics" is the study of the functioning and main codes of variation and heredity. Inheritance is…

Q: Assuming no crossing over between the gene in question and the, when do alleles segregate during…

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

Q: Trisomy 21, or Down's syndrome, is the result of which event occurring during the meiotic process?

A: Ans. A nucleus, where genetic material is contained in genes, is located on every cell in the human.…

Q: explain the Nondisjunction during second meiotic division

A: The cell cycle is a flow of events that consists of cellular division as well as cell growth. This…

Q: What determines the phenotype of the offspring ?

A: An organism's genotype refers to its entire genetic makeup. The alleles or variants that an…

Q: Does the maternal genotype contain zygotic genes?

A: The zygotic genes are genes that are transcribed in the embryonic nuclei developed following…

Q: If the gene is linked to the "Y" chromosome, women will not have the disorder. Why?

A: Introduction In the nucleus of the cell DNA is packed in a thread like structure called chromosome.…

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.