Q: How many sister chromatids are in a chromosome?
A: The replication of DNA results in the formation of the two identical chromosomes known as sister…
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: A diploid organism is heterozygous for 4loci,how many types of gamete can be produced?
A: 'Locus' is a term which is used to denote the fixed position of a gene on the chromosome. A gene…
Q: What does the sex chromosome genotype OY produce in drosophilia?
A: Drosophila melanogaster is a fly species that belong to order Diptera. This is also known as fruit…
Q: Why are triploid plants infertile?
A: The plants with three sets of chromosomes called triploid (3n) plants. These plants morphologically…
Q: A group of naturally occurring diploids of a species has 50 pairs of chromosomes. how many…
A: Mitosis It is the division of chromosomes in a cell Usually followed by cytokinesis or cell…
Q: What does the sex chromosome genotype XXY produce in humans?
A: In humans, two sex chromosomes are there; X and Y. The sex of the individual depends upon the…
Q: Why is meiosis important for the maintenance of the normal quantity of chromosomes of a species with…
A: Meiosis is the process by which male and female gametes (n), sperm and ovum are produced from their…
Q: What is the function of the fused kinetochore found on sister chromatids in prometaphase?
A: In prometaphase I of Meiosis I, the critical event is the attachment of the spindle fibre…
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 does the sex chromosome genotype XO produce in drosophilia?
A: In Drosophila, XO type of sex determination will be seen in which males have only one type of X…
Q: What does the sex chromosome genotype XX produce in drosophilia?
A: Drosophila exhibits the same type of sex type of sex determination as in humans. X and Y chromosomes…
Q: What is Heteroplasmy?
A: The genome represents the genetic material in an organism having a set of chromosomes which is…
Q: How many total sister chromatids are present in this cell?
A: Crossing over is defined as a process where the homologous pair of chromosomes exchange the segment…
Q: How many nonsister chromatids are in a chromosome?
A: Chromosomes are carrier of deoxyribonucleic acid (DNA). DNA is the genetic material. Chromatid…
Q: What is haploid (n) ?
A: The gametes of an organism consist of half the chromosomes that are normally found in diploid body…
Q: Why do deviations from the normal chromosome number of 46affect health?
A: Karyotype is a diagrammatic representation of arrangement of chromosomes. Humans have 46…
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: Why is the difference in cohesin cleavage in mitosis and meiosis important for proper segregation in…
A: Two types of cell division is seen in sexually reproducing organisms. They are mitosis and meiosis.…
Q: What are chromosome 9 characteristics and where does chromosome 9 represent?
A: The humans consist of 46 chromosomes in each cell that are divided into 23 pairs. There are two…
Q: How does shugoshin affect sister chromatids in meiosis I and meiosis II?
A: Shugoshin helps in cohesion of chromosomes during cell division In meosis I shugoshin protects the…
Q: If there are 32 sister chromatieds in a normal somatic cell, what is the haploid number for that…
A: Chromosome are the string like structure that comprises of DNA , histone proteins as well as…
Q: How many genes are there present on chromosome 12 ?
A: Chromosomes are thread-like structure, which are composed of nucleic acids and protein. They are…
Q: What DNA sequence feature is required for a G-quadruplex to form?
A: G-quadruplex formed are formed in telomeric sequences which are highly polymorphic. A four repeat…
Q: What does compound heterozygous mean and explain What causes heterozygous?
A:
Q: The somatic cells of a given species contain 14 pairs of chromosomes. If a gamete receives one…
A: Somatic cells contain 2n number of chromosomes (diploid) and gametes contain n number of chromosomes…
Q: What does the sex chromosome genotype XYY produce in drosophilia?
A: Drosophila melanogaster is commonly known as fruit fly. It belongs to the kingdom Animalia, phylum…
Q: How many chromatids are present for each type of chromosome at the completion of crossing over? What…
A: Crossing over is the process in genetics by which the two chromosomes of a homologous pair exchange…
Q: Which of the following statements is an incorrect description of the processes of mitosis or meiosis…
A: Answer:
Q: The following diagram represents two nonhomologous chromosomes: A B • C D E F G R S • T U V W X What…
A: A mutation is an alteration or a change in the nucleotide sequence of DNA or RNA. Genetic…
Q: hat cytological abnormalities are expected of aneuploids at mitosis? at meiosis?
A: cervical cytologic abnormalities in teenagers, outlined as a Papanicolaou (Pap) smear result…
Q: What is a sex pilus and which cell type, F- or F+,would produce this structure?
A: The transfer of the genetic material from one bacterium to another through direct contact is termed…
Q: How is the mating type of a yeast cell determined?
A: The yeast is a single celled eukaryote that exhibit both diploid and haploid mode. The mating of…
Q: What does the sex chromosome genotype XXY produce in drosophilia?
A: The sex chromosomes are responsible for determining the sex of an organism. In humans and…
Q: What is the formula for a female with a Philadelphia chromosome?
A: Hi, Thanks For Your Question. Answer : The Philadelphia chromosome Is A Specific Genetic…
Q: What does the sex chromosome genotype XXX produce in drosophilia?
A: Sex determination in Drosophila is achieved by a balance of female determinants on the X chromosome…
Q: What will be the number of chromosomes in Turner’s syndrome and Klinefelter's syndrome of an…
A: Turner syndrome It is a chromosomal abnormality which affects only females. It is due to the absence…
Q: How many chromatids are present in a duplicated chromosome?
A: Chromosomes are the amalgamation and groupings of deoxyribonucleic acids in a cluster within the…
Q: Why is meiosis necessary for sexual recombinations?
A: In the process of meiosis, a single cell divides twice to produce four haploid daughter cells…
Q: What chromosome is ABl on?
A: Genetics is the branch of biology which deals with genes, heredity, and genome in the organism.…
Q: What is the name of the structure that holds homologous chromosomes together after they have paired…
A: A chromosome is a compact form of DNA molecule present in dividing cells. In metabolically active…
Q: An individual is heterozygous for a reciprocal translocation, with the following chromosomes: A • B…
A: Translocation in chromosomes refers to the abnormal chromosomal rearrangement. It could be a…
Q: What does the sex chromosome genotype XX produce in humans?
A: The sex determination in an organism is based on the inheritance of sex chromosomes. In almost every…
Q: Why does the sex chromosome X carry the gene for eye color in Drosophila?
A: The mode of inheritance is a pattern of obtaining parentral alleles or genes to the offsprings. The…
Q: What does the sex chromosome genotype XYY produce in humans?
A: A type of genetic condition where a male has an extra Y chromosome, is called an XYY syndrome. This…
What does the sex chromosome genotype XY produce in drosophilia?
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- Consider a Droscophilia fly with a genotype of Nn XqYY. The dominant allele of the sex-linked gene specifies a black body and the recessive a white body. The recessive autosomal allele specifies hairy bristles while the dominant allele specifies smooth bristles. i)What is the ploidy of this fly? ii) What would the sex of this fly be? iii)What would the phenotype of this fly be with respect to these two loci?An individual heterozygous for a reciprocal translocation possesses the following chromosomes: A B • C D E F G A B • C D V W X R S • T U E F G R S • T U V W X Q. Draw the pairing arrangement of these chromosomes in prophase I of meiosis.What is a sex pilus and which cell type, F- or F+,would produce this structure?
- Name the disorder with the following chromosome complement.(i) 22 pairs of autosomes + X X Y(ii) 22 pairs of autosomes + 21st chromosome + XYwhat is the significance of chromosomal aberration? what are the different types of chromosomal abberations based on the structure and number of chromosomes? give examples for each. what environmental factors may increase in the incidence of chromosomal aberrations?If nondisjunction occurs in humans for one pair of homologous chromosomes during meiosis I. The other pairs segregate normally. a) Will any normal gametes result? b) How many chromosomes will each human gamete have? If nondisjunction occurs in humans for sister chromatids during meiosis II. The other pairs segregate normally. a) Will any normal gametes result? b) How many chromosomes will each human gamete have?
- Which is the type ofgamete produced by aheterozygous individual?What is the genotypicalproportion of these gametes?An individual is heterozygous for a reciprocal translocation, with the following chromosomes: A • B C D E F A • B C V W X R ST • U D E F R ST • U V W X Q. Draw a picture of these chromosomes pairing in prophase I of meiosis.If nondisjunction occurs in humans for one pair of homologous chromosomes during meiosis I. The other pairs segregate normally. a) Will any normal gametes result? b) How many chromosomes will each human gametehave? If nondisjunction occurs in humans for sister chromatids during meiosis II. The other pairs segregate normally. a) Will any normal gametes result? b) How many chromosomes will each human gamete have?