What is consanguinealmarriage? Why is theappearing of genetic diseasemore probable in the offspringof a consanguineal marriage?

Q: How many different types of gamete can be formed from an organism with the genotype Aa Bb cc DD Ee…

A: The reproductive cells of an individual are called gametes or sex cells. These are the haploid…

Q: Which of the following represent the gametes that an individual with the genotype AABB can produce?…

A: The genotype is the complete set of the genome of an individual and it represents the two alleles…

Q: If nondisjunction occurs in a chromosome pair, what will be its effect on the gametes and the…

A: Nondisjunction occurs when homologous chromosomes or sister chromatids fail to divide properly…

Q: Are sex-linked diseasesassociated only to genes ofthe X chromosome?

A: Sex linked genes are those genes which are carried by the sex chromosomes, either X or Y. they not…

Q: Draw a Punnett square showing the possible children that this man with IAIB would have with a women…

A: Blood group is controlled by there alleles: IA, IB and i. The IA and IB are codominant to each…

Q: How many types of gametes can be produced by an individual with genotype AaBbCcDdee?  9, 8, 16, 32,…

A: Gametes are produced by the process of meiosis from the parent cell.

Q: Identify the variation of gametes from the genotype Xx Yy Ww?

A: Ans: Gametes are formed by the fusion of both the parents cells. Here in the question, 3 genes have…

Q: What is an example of Codominance?

A: Mendelian experiments prove that a single gene controls one character. Later,  he found that 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: What does post covid syndrome mean?

A: Covid 19, or coronavirus disease which was discovered in 2019 in the Wuhan district in china. From…

Q: What is the difference between sex-linked disease/disorder and sex chromosome disease/disorder?

A: Sex chromosomes are in the form of XX in females and in males, it is in the form of XY. When there…

Q: If two individuals have incompatible gametes, what will be the result of a mating event between…

A: Incompatible gametes mean the gametes are not viable to produce fertile offspring

Q: Describe the XX-XO system of sex determination. In this system, which is the heterogametic sex and…

A: In a biological system, the development of sexual characteristics in an organism determined by the…

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: Which of the following is a possible gamete for an individual with the genotype PP rr? a. PP c. pr…

A: BASIC INFORMATION USED IN GENETICS  HETEROZYGOUS - Every gene has two characters one being the…

Q: Which is the type ofgamete produced by aheterozygous individual?What is the genotypicalproportion of…

A: Alleles are the two-contrasting form of genes. They are pairs of genes on a chromosome that…

Q: Is it possible to performinvestigation of naturalpaternity, maternity orbrotherhood and…

A: With the help of the ABO blood typing it makes it possible only to exclude paternity, maternity or…

Q: Suppose that a heterozygous female mates with a heterozygous male. What is the probability that a…

A: Parkinson's disease 14 is a type of autosomal recessive disease. This means that two copies of the…

Q: Which is the type of gamete(for a given trait) produced bya dominant homozygousindividual? What is…

A: Gene is a segment of DNA that code for a protein and are responsible for a character or trait. There…

Q: Explain the following term: Homozygous:

A: Chromosomes are filamentous bodies found in the nucleus. They are composed of DNA (deoxyribonucleic…

Q: Who can AC genotype marry?

A: Genotype refers to the genetic constitution of an individual organism. The genotype in humans are…

Q: d. GGHhli- e. NnOoPPQg- VvWwXxYvZ- f.

A: Genotype is a an individual collection of genes. Phenotype is the physical appearance of an…

Q: What are the genotypes of the gametes of the following individuals: a.) BbCCddEe b.) RRggWw c.) ppRR…

A: Introduction: The genotype is the set of genes in DNA responsible for a trait. In a way it refers to…

Q: Which of the following terms may be used to describe a disease thathas multiple phenotypes?a.…

A: The "genotype" of an individual is considered as genetic makeup. An organism's appearance is defined…

Q: Is TT a heterozygous or homozygous?

A: The term 'homozygous' refers to the presence of two copies of the same allele, such as two dominant…

Q: What are Sex-linkage?

A: Sex linkage is the phenotypic expression of a trait governed by the presence of the mutations in the…

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: A woman with achondroplasia (a dominant form of dwarfism) anda phenotypically unaffected man have…

A: On the basis of the given conditions, we can assume that there are 50 percent chances of the…

Q: What is the relationbetween fecundation and theend of the meiotic processduring oogenesis?

A: Gametogenesis is the process of production of gametes i.e. sperm and egg through meiosis. During…

Q: The presence of Barr bodies in a cell indicates O the presence of sex-linked genetic disorder. O the…

A: Mammalian male have XY chromosome and females have two X chromosomes. Here one of the two X…

Q: Assuming that independence assortment occurs during meiosis what types of gametes will form…

A: Independent assortment is the separation of gene pairs independently from the other gene pairs.…

Q: Will you observe fertile gametes if bridges were observed cytologically?

A: Cytology is the term that comes from cell biology. The Indian Father of Cytology is Arun Kumar…

Q: Explain the term homogametic sex?

A: The sex finalization of the sex at the time of the zygote formation is called sex determination. It…

Q: What is eutely?

A: Cell is a basic membrane-bound unit and it is often called as the basic building blocks of all…

Q: Typically during the process of in vitro fertilization, several eggs are fertilized. If two of these…

A: According to Chargaff’s rule, the DNA molecule contains an equal amount of pyrimidine (thymine and…

Q: How many different types of gamete can be formed from an organism with the genotype AaBbccDDEeff,…

A: Mendel performed a series of experiments to study the transmission of traits from parents to their…

Q: How would you explain post covid syndrome to someone who doesn't know it?

A: Covid 19, or coronavirus disease which was discovered in 2019 in the Wuhan district in china. From…

Q: What is an analougous trait?

A: Analogous trait are characters developed by two organisms, from different ancestors. Here the…

Q: When does the erasure and reestablishment phase of genomicimprinting occur? Explain why it is…

A: Genomic imprinting is a type of epigenetics, where an alteration in gene or chromosome changes the…

Q: What is homozygote and heterozygote?

A: Homozygote and heterozygote are two common terms used in genetics. An allele is a variant of a gene…

Q: What is monosomy ?

A: A chromosomal aberration is a change in a child's genetic material or DNA that affects the…

Q: What are the situations inwhich the environment canalter the genotype of anindividual? What is…

A: Evolution is the gradual process of species development in a particular place depending upon the…

Q: How many different classes of offspring (events) are present?

A: Genetics is the branch of biology that deals with the study of genome of an organism and its gene…

Q: How many different gamete combinations can be produced from a Yy Ss Hh genotype?

A: Gametes are an organism's reproductive cells. They are also referred to as sex cells. Female gametes…

Q: Gametes and their genotypes can be observed directly ?

A: The simplest morphological and physiological unit of heredity is the gene. DNA is the material that…

Q: Why are the marks of imprinted genes erased and reset during gamete formation?

A: Genomic imprinting is a phenomena which controls the gene expression involved in the embryonic…

Q: What is Nondisjunction? How is it linked to meiosis, mitosis and cancer?

A: Nondisjunction is the failure of homologous chromosomes or sister chromatids to isolate subsequently…

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.