Q: Your friend is convinced his calico cat is male. He takes the cat to the vet. Sure enough the cat is…
A: Calico cats have tricolour coat. Their colouring is related to X chromosome that's why they are…
Q: Suppose a woman has a recessive X-linked disease. Her husband doesnot have the disease. What is the…
A: Suppose a woman has a recessive X-linked disease. Her husband doesnot have the disease. What is the…
Q: Any deviation in the number of chromosomes that involves individual chromosomes, as opposed to…
A: Chromosomes are structures that are composed of DNA. Genes are located within chromosomes. During…
Q: Melanoma is a type of cancer in which abnormal skin cells divide uncontrollably. Some chemotherapy…
A: Cancer is one of the most dreaded diseases of human beings and is a major cause of death all over…
Q: Your friend is convinced his calico cat is male. He takes the cat to the vet. Sure enough the cat is…
A: A calico cat is a homegrown cat of any variety with a tri-variety coat. The calico cat is generally…
Q: An individual with genotype AaBbCCDdEE can make many kinds of gametes. Which of the following…
A: Gametes are sex cell or reproductive cell that consists of a haploid set of chromosomes. Gametes are…
Q: A.If the diploid human chromosome number (2n) =46, what will be the chromosome number per cell in…
A: Meiosis is the cell division process that involves division of a diploid (2n) mother cell and…
Q: Why is Trisomy 21 more common than other trisomies (e.g. Trisomy 1, Trisomy 2, etc.)? The size of…
A: Answer :-(C) Trisomy 21 are caused by nondisjunction, which occurs when pairs of homologous…
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: In humans, the number of chromosomes per set is 23. Even thoughthe following conditions are lethal,…
A: the total number of chromosomes for an individual with each condition are;
Q: The pedigree above shows an inheritance pattern for a trait. Using the sheet you filled out in…
A: The pedigree is a diagrammatical representation of relationships between offspring and their…
Q: In humans, the number of chromosomes per set equals 23. Eventhough the following conditions are…
A: Aneuploidy is a term given to the condition in which there is an extra or a missing chromosome and…
Q: Which of the following genotypes due to nondisjunction of sex chromosomes is lethal? a. XXX b.…
A: Nondisjunction is the phenomenon in which homologous chromosomes or sister chromatids fail to…
Q: please check my work
A: The branch of biology that deals with the study of genes, heredity and genetic variations are termed…
Q: Nondisjunction in meiosis can result in_____ . a. base-pair substitutions c. crossing over b.…
A: Meiosis consists of two divisions namely meiosis I and meiosis II. The first division of meiosis is…
Q: Why is crossing-over important? a It creates new genes. b It completes prophase of meiosis I. It…
A: The exchange of genes between homologous chromosomes, resulting in a mixture of parental…
Q: If a recessive mutation occurs in a male on an X chromosome versus a Y chromosome, leading to…
A: The males have two different sex chromosomes, X and Y. The females have only a single type of sex…
Q: A couple is planning to have three children. What is the probability of having all boys? *
A:
Q: A. In man, hemophilia, the "bleeder's disease" in which the time required for blood to clot is…
A: Hemophilia is a genetic disorder inherited through the sex-linked recessive X chromosome. It is the…
Q: What process might produce a gamete with one extra chromosome? a. Nondisjunction c. Translocation b.…
A: The eukaryotic cells contain properly packed genetic material. The genetic constituent of an…
Q: You have determined the relative DNA content for cells in different stages of meiosis. You plot the…
A: The cell division occurs in a predetermined and cyclical manner that involves different phases. The…
Q: Hemophilia is a recessive disease carried on the X chromosome. If an unaffected carrier mother had…
A:
Q: A trisomy of which autosomal chromosome is the only one which does not cause lethality in utero or…
A: Trisomy are diploid organisms which have an extra chromosome(2n+1). Trisomy 21 or Down's syndrome…
Q: Represent the segregation of chromosomes during Meiosis 1 and Meiosis 2 2A. normal segregation in…
A: During Meiosis I, homologous chromosomes segregate; during Meiosis II, sister chromatids segregate.…
Q: A diplóid čéll čontains three pairs of homologous chromosomes designated C1 and. C2, M1 and M2, and…
A: The question is about meiosis and mitosis.
Q: How many different kinds of gametes will be expected from an individual with the genotype A/A; B/b;…
A: Observable characteristics are basically represented by phenotype when traits are determined…
Q: A couple comes into a fertility clinic. A chromosome preparation is made for each and the male is…
A: Introduction :- A karyotype is a collection of all metaphase chromosomes in a species' or individual…
Q: Polyploidy occurs when the chromosome number is increased or decreased by a multiple of the diploid…
A: Polyploidy is the heritable condition in which more than two sets of chromosomes are present.…
Q: Trisomy 21, or Down's syndrome, is the result of which event occurring during the meiotic process?…
A: NOTE:- As you have posted two questions, we will solve the first question for you, to get the…
Q: During meiosis, the number 21 chromosomes did not separate correctly. What disorder is caused by…
A: Meiosis is a cell division used to produce gametes (sperm or egg cells), in sexually reproducing…
Q: Nondisjunction is rare. Which of the following is FALSE? O A. Nondisjunction is when chromosomes…
A: option a is correct
Q: Represent the segregation of chromosomes during Meiosis 1 and Meiosis 2 a.) normal segregation in…
A: In the diagram the above diagram is meiosis or oogmeisis that ioccurs in females and below is the…
Q: During meosis I __________ are segregated, with each pair of chromosomes __________ Crossing over…
A: The meiosis stage is divided into meiosis 1 and 2, where meiosis 1 ensures the reduction of the…
Q: The mother and father both carried a recessive allele which were then passed to the daughter. The…
A: Chromosomes are thread-like structures that are present inside the nucleus of the cell. It is made…
Q: Which genotype below is homozygous? a. Bb с. ВВ b. Hh d. None of the above
A: A gene can have more than one type of variant. The different variants of the gene are called…
Q: An individual has 2n = 14 chromosomes. How many chromosomes do we find in: a. A monosomic b. A…
A: Aneuploidy - It is a chromosomal condition in which there is a gain or loss of chromosome. There are…
Q: Which of the following statements best describes an individual whose genetic make-up is shown below?…
A: Chromosomes are thread like structure present in the nucleus of cell. These are the hereditary…
Q: Recombination through independent assortment and crossing over can occur in which of the following?…
A: Cell division is the method through which a parent cell divides into two or more daughter cells. The…
Q: If a trait is sex linked, what chromosomes could the trait be on? A. chromosome pairs 1 - 22 B. Y…
A: Introduction :- Sex-related traits can be found on either the chromosomes that determine sex or the…
Q: Which of the 6 modes is this pedigree and why? 1) Autosomal Dominant 2) Autosomal Recessive 3)…
A: The mode of inheritance describes how a genetic trait or disorder is passed down from generation to…
Q: A man with type A blood marries a woman with type B. Their offspring all have type AB blood. The…
A: Inheritance - Inheritance is the process of transfer of genetic information from parents to the next…
Q: A transfer of genes between non-homologous chromosomes is known as transolocation duplication…
A: Step 1 Diploid organisms have two copies of every chromosome, one copy is received from the mother…
Q: that they should have their Karyotypes done. This is to ensure: That neither parent has 3 chromosome…
A: Down Syndrome : It is a condition in which a person has an extra chromosome . Chromosomes are small…
Q: Hemophilia is a sex-linked recessive condition that results in deficient blood clotting. The disease…
A: Hemophillia is an X linked recessive disease. It means that if female has one defective X…
Q: An individual has the genotype AabbCC. The A gene is located on chromosome 1 while the B and C…
A: For an individual with a genotype AabbCC. The gene A present on chromosome 1 is heterozygous with…
Q: Trisomy 21, or Down syndrome, occurs when there is a normal diploid chromosomal complement of 46…
A: Answer: Down syndrome : It is the chromosomal disorder occurs in autosomal chromosomes of either…
Q: Down syndrome involves trisomy ___. (Which chromosome is affected?) 19 5 3 21
A: Aneuploidy is a defective condition in which one or more individual chromosomes are added to or…
Q: When there is one extra chromosome due to non- disjunction, it is called trisomy. In such a case,…
A: Answer is option b .) Y Chromosome
Q: Hemophilia is an X-linked recessive disease that prevents blood clotting. If a woman who is…
A: To find The proportion of children with haemophilia
Q: A mother and father have four children; two sons and two daughters. What is the probability that the…
A: We are diploid (2n) organism and contain total 23 pairs of chromosomes. Between 23 pairs 22 pairs…
The presence of an extra chromosome is called:
1. Mosaicism
2. Trisomy
3. No disjunction
4.Monotony
Step by step
Solved in 2 steps
- What are the types of gametes that can be produced by an individual with the genotype AaBb? a. Aa,Bb b. AA, aa, BB. bb c. AB, Ab, aB, ab d. AB,abDown syndrome involves trisomy ___. (Which chromosome is affected?) 19 5 3 21 15What process might produce a gamete with one extra chromosome? a. Nondisjunction c. Translocation b. Crossing over d. Independent assortment
- Crossing over means the same as: a. incomplete dominance b. the process by which pieces of homologous chromosomes are exchanged c. heterozygosity d. the peculiar lineup of homologous chromosomes e. independent assortmentWhat is it called when chromosomes fail to separate properly during meiosis? A. Nondisjunction B. Karyotype C. Chromosomal separation failure D. Inappropriate separation E. KaryokinesisMale chromosome is __________________ ? A! XX B! YX C! XY D! YY Choose the correct option
- Any deviation in the number of chromosomes that involves individual chromosomes, as opposed to entire sets of chromosomes, is known as which one of the following?a. Aneuploidy c. Duplication b. Disomy d. TranslocationIn humans, the number of chromosomes per set equals 23. Eventhough the following conditions are lethal, what would be the totalnumber of chromosomes for an individual with each condition?A. Trisomy 22B. Monosomy 11C. TriploidyA diploid fruitfly has 8 chromosomes. How many chromosomes are present in an individual with trisomy in Chromosome 1 and Chromosome 2? A person is born with two X chromosomes, trisomy 21 and two copies of other chromosomes. How many chromosomes are present in this individual? * A couple is planning to have three children. What is the probability of having all boys? *
- Describe how nondisjunction results in aneuploidy disorders, and describe the syndrome/ symptoms/ physical characteristics associated with: A) Trisomy 21, and B) your choice of the sex chromosomes (choose from X-, XXX, XXY, or XYY).A turkey farmer is worried about a new disease that is found in his birds. If affects females more than males. Which of the following is(are) reason(s) that explain this finding? The disease is sex linked b The disease is autosomal recessive c The disease is located on the Z chromosome d A and C e B and CWhich of the following human aneuploids is/are never viable and will end in a miscarriage?Question 6 options: A) monosomy 13 B) trisomy 21 C) trisomy X D) All of the above are correct and will cause a miscarriage.
