17. A somatic cell in a human male contains No genes on the sex chromosome Genes on only on sex chromosomes Two genes for every sex-linked character Only one sex-linked gene for each character

Q: 5. This is a pair of homologous chromosomes. The individual is homozygous for gene A and…

A: This is a question about meiosis.

Q: 2. In the cells below, draw the two possible arrangements of Abdul's sex chromosomes and the…

A: The meiosis is the cell division process by which a diploid (2n) cell divides it's nucleus twice and…

Q: 6. If two genes are independently assorted during meiosis, which assumption is most likely true?…

A: Mendel's law of independent assortment states that two alleles or genes will be sorted independently…

Q: 5. What are the features that differentiate Drosophila male flies from female? Females have pointed…

A: The study of the development of organisms provides significant information on their developmental…

Q: Triploid individuals (3n) could be phenotypically normal females. Three sets of autosomes Sex…

A: Answer. Most animals and man plants show sexual dimorphism. In most cases, sex is determined by the…

Q: 4. Characterize the following human chromosomes as to size and as to position of its centromere.…

A: human chromosome consist of 22 autosomes and 1 sex chromosome.

Q: 5. The somatic cells of Horse have 64 Chromosomes. What is the diploid number for a Horse What is…

A: A somatic cell is any cell of the body except sperm and egg cells.

Q: 8. contrast the inheritance of linked genes with unlinked genes

A: Genetic is the branch of science that deals with genetic material like genome, genes, DNA, and…

Q: A variety of abnormalities in the numbers of sex chromosomes exist because of nondisjunction during…

A:

Q: 12) During meiosis, crossing-over may occur. Crossing over usually results in A) Overproduction of…

A: Meiosis generates 4 haploid daughter cells, which are having chromosomes in half number from their…

Q: In Drosophila virilis, somatic cell nuclei contain 12 chromosomes while sperm nuclei contain only 6…

A: Chromosomal replication does not occur between meiosis l and meiosis ll ; Meiosis l proceeds…

Q: 2. In the human life cycle, meiosis occurs during the production of 3. In the plant life cycle, the…

A: A diploid organism is an organism that consists of two complete sets of chromosomes (2n) in the…

Q: You are transported to a fantasy world where legendary creatures actually exist. In this world, a…

A: Unicorn is a bisexual horse with a single straight horn projecting from its forehead. It is…

Q: 166. In Drosophila crossing over occurs in female but not in male. Gene A and B are 10 map unit…

A: Ans: Crossing over: The swapping of genetic material which occurs in germ line is referred as…

Q: 6. Consider your btoehr and your son. a. If you are female, will your brother and your son have…

A: The sex chromosomes are involved in the sex determination. Females have XX chromosomes and the males…

Q: 2. There are two pairs of chromosomes in a diploid cell (2n=4). Label the genes and alleles on…

A: Meiosis is a type of cell division. This is a reduction division, where the diploid number of…

Q: 1. How many different chromosomal combinations (genetic variation via independent assortment) can…

A: Introduction :- Meiosis is a process in which the number of chromosomes in a cell is reduced before…

Q: 3. In Drosophila, an X-linked recessive mutation, scalloped (sd) causes irregular wing Diagram the…

A: X libked recessive inheritancemeans that the mutation occurs on the X chromosome. Thus the female…

Q: In fruit flies a dominant mutation on the X chromosome causes the eye to be oval instead of round.…

A: Introduction :  Gene is a unit of heredity. It contains the genetic information. It is made up of…

Q: 1. In fruit flies, the gene for white eyes is sex-linked recessive. (R) is red and (r) is white.…

A:

Q: _1. How many polar bodies will be produced by 32 primary oocytes considering that their meiosis II…

A: Male and female gametes (sperms and eggs) are created in the male and female gonads (testes and…

Q: .Hemophilia is a sex-linked recessive condition that results in deficient blood clotting. The…

A: Hemophilia is a genetic bleeding disorder that happened by change or mutation in genes. In this…

Q: 4. Consider two recessive sex-linked traits in Drosophila melanogaster, white eyes and yellow…

A: The X linked genes are found on the X chromosome. The linkage is the tendency of two genes pass…

Q: 3. There are 40 chromosomes in somatic cells of the house mouse. (a) How many chromosomes does a…

A: As Per Bartleby Guidelines, only first 3 parts of a question are answered. For further answers…

Q: 6. Tight pairing of the homologous chromosomes. Meiosis II Meiosis I O Mitosis

A: Answer 6- Meiosis I Synapsis refers to the close pairing of homologous chromosomes. In synapsis, the…

Q: division? A. process results in variation of organisms   B. daughter cells has the same gamete…

A: Meiosis is a process in which a single cell divides twice to produce four cells with half the amount…

Q: How many Barr bodies would you expect to find in humans withthe following abnormal compositions of…

A: Barr bodies are the inactive X chromosomes which are seen in the interphase nuclei are darkely…

Q: 19 21 22 1> This individual's sex is female [ Choose] trisomy 21 karyogram 2n 2 The genetic disorder…

A: A karyotype is a pictorial representation of chromosomes present in the somatic cell of an…

Q: You are an allele on a single uncondensed chromosome in a Yellow fever-carrying mosquito (Aedes…

A: The somatic cells follow the mitotic process for division and the reproductive cells or gametes are…

Q: 3. In Drosophila, an X-linked recessive mutation, scalloped (sd) causes irregular wing margins.…

A: A) a scalloped female is crossed with a normal male: -  Xsd Xsd × X Y    Xsd Xsd X Xsd X Xsd X…

Q: You are an allele on a single uncondensed chromosome in a Yellowfever-carrying mosquito (Aedes…

A: The fundamental and active process by which a parent cell after replication of its components,…

Q: 2 In mammals, males have two different sex chromosomes (X and Y) and females have two similar sex…

A: Sex of an individual human or birds is determined by the presence of specific chromosomes. Usually…

Q: 7. With half the SEX CHROMOSOME (two letters) from each parent, what does the sex chromosome of the…

A: Columbidae could be a bird family consisting of pigeons and doves. it's the sole family within the…

Q: How do humans maintain the normal number of chromosomes across generations?

A: A chromosome is a genetic material which is made from the DNA molecule. Generally, humans have 46…

Q: 15. In fruit flies, Drosophila, the gene for eye color is carried on the X chromosome. The allele…

A: Here Dominant allele will be represented by R  Recessive allele by r

Q: A white-eyed  (X-linked  recessive character)  female  fruit  fly  is  mated  to  a  red-eyed  male.…

A: Drosophila is one of the most important creatures in biology, especially genetics and developmental…

Q: 1. How will the offspring be affected if one of the gametes or one of the parent carry an impaired…

A: As per the company's guidelines we are supposed to answer a single question at a time only. Please…

Q: 9. Neither Mendelian genetics nor genetic linkage can accurately explain all forms f chromosome…

A:

Q: 2. The amount of DNA in a Drosophila melanogaster somatic cell equals 8 during G1 of interphase, how…

A: According to the  rule, the amount of DNA or chromosomes is the number of chromatids present.

Q: 10. Haemophilia is a sex linked disorder caused by a recessive allele carried on the X chromosome.…

A: Haemophilia is an inherited diseases that impairs the body ability to make blood clots, a process…

Q: 1. A diploid organism has the genotype I1I2V1V2 Y1Y2 on different chromosomes. Diagram only these…

A: In cell biology, mitosis is a part of the cell cycle in which replicated chromosomes are separated…

Q: 20) When Thomas Hunt Morgan crossed his red-eyed F1 generation flies to each othe F2 generation…

A: Chromosomal Theory of Inheritance Thomas Hunt Morgan studied inheritance in Drosophila and provided…

Q: 7. Domestic house cats have a diploid chromosome number of 38. How many chromosomes would you expect…

A: Domestic cats have 38 chromosomes. The chromosome number generally refers to the number of…

Q: 8. Down Syndrome most commonly results from having three copies (trisomy) of chromosome 21 instead…

A: Meiosis is responsible for producing the four haploid gametes from the parent cell.

Q: 5.)Gametogenesis, or the formation of gametes, occurs when diploid germ cells undergo meiosis. In…

A: Meiosis division is a division that occurred at the time of formation of the kemet in males and…

Q: 17- Klinefelter syndrome in humans, which leads to underdeveloped testes and sterility, is caused by…

A: Klinefelter syndrome is seen in boys and men. These individuals have one extra copy of the X…

Q: 4. Down syndrome, a nondisjunction disorder associated with mental disability, occurs when a person…

A: Down syndrome, also called trisomy 21 is a genetic disorder caused by the presence of all or part of…

Q: 16. The diagram below shows a phase in meiotic cell division. In which phase does this process…

A: INTRODUCTION  Meiosis In this division the chromosome number will reduce to half in daughter cell.…

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.