Where are sex linked genes predominantly

Q: A heterozygous free-lobed man is mated to a heterozygous free-lobed woman. What are the genotypes…

A: Genotype is the genetic makeup of an organism.  It consists of 2 alleles in an individual.

Q: During what stage of meiosis do t

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What are twins?Genetically what are the twotypes of twins that can begenerated?

A: Pregnancy is also termed as gestation during which one or more offspring develop in the uterus of a…

Q: Which pair number represents the sex chromosomes?

A: The karyotype is the type of chromosomes or number of chromosomes present in the nucleus of a…

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: Explain briefly what is a sex link

A: Genes are the sequence of nucleotides present on the DNA which encodes a particular phenotype.

Q: What causes incomplete dominance?

A: A gene is the physical and functional unit of heredity. The alternate forms of gene are referred to…

Q: Why is it necessary for gametogenesis to reduce the chromosome number of the sex cells by one-half?

A: Ans: Gametogenesis: It is the biological process in which haploid or diploid cells divide as well as…

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: Duchenne muscular dystrophy (DMD), marked by muscular degeneration, results from an X- linked…

A: Duchenne muscular dystrophy is a X- linked inherited disease which is characterized by degeneration…

Q: In the X-Y and Z-W systems of sex determination, which sex is theheterogametic sex, the male or…

A: Ans: Sex determination: It is the biological systems which determines the sexual characteristics in…

Q: Determine whether the chromosomes are most difficult to segregate properly during meiosis in Down…

A: Introduction Trisomy is a type of aneuploidy. In trisomy, we find three copies of chromosomes…

Q: How is Down syndrome caused?

A: Human genetic disorders are caused due to the absence or excess or abnormal arrangement of one or…

Q: Why is autosomal Monosomy lethal?

A: Most living species have DNA as their genetic material. It is the cell's information centre,…

Q: Discuss the postulates of Mendel in relation to meiosis.

A: It is widely accepted that the modern science of genetics startted from the the discovery of the…

Q: A karyotype shows that a child has Klinefelter syndrome (47,XXY). If the child is also colorblind…

A: Karyotyping is the process of taking photographs of chromosomal pairs to determine the number of…

Q: What is Sex-linkage?

A: Introduction In this question we will discuss about the sex linkage.

Q: What are aspects relating to the X chromosome

A: The thread-like structures termed as chromosomes are located in the nucleus including both animal…

Q: Briefly illustrate how nondisjunction in meiosis can result in Down syndrome.

A: Down syndrome is commonly resulting from a disorder within the cellular division called"non…

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: What is crossing over? How is meiosis related to this phenomenon?

A: Linked alleles, such as A-b and a-B, combine to form the gametes A-b and a-B, which are responsible…

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: Why is a genetic predisposition suggested for testicular cancer?

A: Testicular cancer is hereditary. It passes from parent to offspring. Many genes alteration are…

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: Assume that the incidence of an X-linked recessive disorder is 1 in 200 male births. What is the…

A: Since the disorder is X-linked recessive, it means that the gene responsible for the disorder 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: What are reciprocal classes of gametes and phenotypes ?

A: Introduction In Mendelian experiments, two contrasting characters are crossed to study the…

Q: Explain how nondisjunction in meiosis is responsible for chromosome abnormalities such as Down…

A: Amongst all the chromosomal disorders, deformities in chromosome number are very easily recognisable…

Q: In humans how does the inheritance of sex linked traits different from autosomal traits

A: This is the question of mendelian inheritance. The inheritance is the transmission of genetic…

Q: How might abnormal meiosis lead to alterations in chromosome number or structure?

A: A total of 46 chromosomes (or 23 pairs of chromosomes) are found in nearly every cell in our body.…

Q: If the mother has normal color vision but her daughter has red-green colorblindness, what must be…

A: The red green color blindness is a X linked recessive trait.  Let XC encodes normal phenotype. And…

Q: Is the probability of having offsprings that are identical twins hereditary?

A: Identical twins are formed by random splitting of a fertilised egg. This leads to creation of two…