33. Because of X inactivation, aberrations in sex chromosomes typically have more serious phenotypic effects. O True O False

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: 9. The male sex chromosomes are В. Х (LT#5) D. XY А. оо С. X 10. Males get their sex-linked traits…

A: Chromosomes are thread-like structures present inside the nucleus of the cells. Chromosome is made…

Q: 4. Assume no crossing over between homologous chromosomes, what is the probability that two randomly…

A: Humans have 23 pair of chromosome. Out of which 22 are autosomes while 23rd pair is allosome (sex…

Q: A woman with 47 chromosomes due to three coples of chromosome 21 is characterized by (a)…

A: chromosomes carry hereditary information by genes and transferred them from ancestor to offspring.…

Q: 29. What if any abnormalities do you see in the chromosomes in this karyotype? A. Monosomy 3 B.…

A: Chromosomal abnormalities These occur when there is an extra chromosome or when a section of a…

Q: 35. The differentiation of the primitive gonads into testes or ovaries depends on the presence or…

A: The Y chromosome have SRY gene which is referred to as the sex determination region. This is present…

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

A:

Q: 4. Suppose that a parent Drosophila is e ca* e ca The gamete frequency is as follows: e'ca e'ca e ca…

A: The gamete which contains a new combination of alleles as compared to its parent is known as 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: 18. A disease that is sex-linked means the gene for it is located on the X or Y chromosme, rather…

A: Some characters in the body is controlled by the genes and are inherited through the gametes into…

Q: What is the most likely sex and genotype of the cat

A: Female mammals have two X chromosomes whereas males have one X and one Y chromosome and genes on…

Q: 8. If the frequency of the "green" form of red-green color blindness (due to an X-linked locus) is 5…

A: According to our guideline i will gave you answer only one question... please ask rest of the…

Q: 25. a)What is “dihybrid cross”? b) Consider two traits color and height. For color, let Y=yellow…

A: A monohybrid cross is a genetic cross between two people that focuses on the inheritance of only one…

Q: 6. The incidence of Down syndrome will be very high(somewhat less than 50%) among the offspring of…

A: Chromosomal disorders occur when there is a change in chromosome number or chromosome structure.…

Q: 4. Suppose that a parent Drosophila is e ca ca The gamete frequency is as follows: e'ca e'ca e ca e…

A: The gametes produced during meiosis can be recombinant or non-recombinant (parental). If the genes…

Q: 34. Inversions and translocations often occur with reduced fertility because of the likelihood of…

A: Aneuploidy is the condition which results in increase or decrease in the chromosome number due to…

Q: 3. Under what circumstances would the following reciprocal translocation heterozygote produce…

A: Translocation is the exchange of gene fragments between two chromosomes.

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: 1. Define crossing over and explain when it occurs. 2. Compare any differences in the appearance of…

A: There are two types of cell divisions, mitosis and meiosis.  Mitosis : it is a type of cell division…

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

A:

Q: 3. Kleinfelter syndrome a. What is the genetic abnormality that occurs? b. What are some symptoms?…

A: Note: We’ll answer the question number 3rd since the exact one wasn’t specified. Please submit a new…

Q: 6. Enumerate the possible combination of alleles formed in each gamete after meiosis if the diploid…

A: Note: As Per Bartleby Guidelines For Remaining Answers Please Repost The Question. Introduction:…

Q: 6. In man, normal color vision vs red-green color blindness is controlled by the allelic gene C…

A: The colorblind trait is encoded by genes present on the X chromosome. It is a kind of recessive…

Q: 器 6 *器 S5 * ** The karyotype pictured here represents A. a normal male B. a normal female OC.a Down…

A: The representation of all the chromosomes of the cell nucleus of males or females is representation…

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: Males only have 1 X chromosome. This is called: a. Homozygous O b. Heterozygous O c. Hemizygous O d.

A: Chromosome is a compact structure of a DNA molecule wrapped around some proteins. It is generally…

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: The condition of a zygote with three copies of a chromosome is known as ________.

A: According to guidelines we have to answer the first question only. so please kindly post the…

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: 9. Complete the table (gnore sex). Phenotype Proportion Observed + (wild-type) Vestigial wings…

A: Introduction  "Genotype" refers to an organism's complete genetic information. The observed…

Q: I am a little confused on this question.

A: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not…

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: When Thomas Hunt Morgan crossed his red-eyed F1 generation flies to each other, the F2 generation…

A: In biology, Thomas Hunt Morgan (1866-1945) is a true legend. Before his prominent role in developing…

Q: During the observation of a baby the diagnosis of Down's syndrome was made. What is the main cause…

A: Normally a baby is born with 46 chromosomes.  But in case of down syndrome babies have extra…

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: 11. A) Why do we generally see animals with eggs and sperm for gametes (i.e., why do we have two…

A: Evolutionary Stable Strategy ESS is a strategy adopted by a population to adapt to specific…

Q: 17. A somatic cell in a human male contains No genes on the sex chromosome Genes on only on sex…

A: Somatic cells are those cells which are found in the body other than sex cells.

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: 3 examples of X-linked recessive and dominant diseases (with pedigrees).

A: X linked recessive diseases occur more frequently in males. They are transmitted from an affected…

Q: 3. Give the genotypes of the gametes a heterozygous tall, purple-flowering pea plant (TtPp) could…

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

Q: *8.13 Mr. and Mrs. Lambert have not yet been able to produce a viable child. They have had two…

A: . Homologous chromosomes have corresponding DNA sequences and come from separate parents; one…

Q: For part c, do they consider the total sex chromosomes to be 2 or 3?

A: The total number of sex chromosomes in the given karyotype is 3.The human has a total of 46…

Q: 5. Genes for which of the following are coded on the Y chromosome? a. Male pattern baldness b.…

A: Genes are hereditary units. There are 46 chromosomes in human cells. 22 pairs of somatic chromosomes…

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: 1. What are the sex chromosomes for: Human: male female Pigeon male female

A: The sex termination system varies from organism to organism. It is studied under the domain of…

Q: 3. Under what circumstances would the following reciprocal translocation heterozygote produce…

A: Reciprocal translocation is a type of chromosomal abnormality in which a segment of DNA is swapped…

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.