Autosomal homologous chromosomes Select one: a. are joined at the centromere b. are the same size but different shape c. have identical gene locations and alleles d. consist of a copy of a paternal and a maternal chromosome

Q: Which statement about homologous chromosomes is FALSE?   Select one: a. They contain the same…

A: Homologous chromosome – During fertilization in a cell, one from the pair from the mother and…

Q: Number of chromosomes in the individual's body cells Cell division error that resulted in trisomy 18…

A: INTRODUCTION A karyotype is a collection of a species' or an individual organism's full set of…

Q: List the diagnostic features (genetic or cytological) that are used to identify these chromosomal…

A: In the nucleus of a cell – DNA is present in the form of chromosomes. These are compact structures…

Q: Discuss and explain how a child inherits one copy of each gene from each parent. What processes…

A: Introduction  Due to the process of sexual reproduction, children inherit one copy of a gene from…

Q: Why are individuals with an extra chromosome 21, that causes Down syndrome, more numerous than…

A: Extra Copy of chromosome cause different effects depend upon chromosome number . Some of the extra…

Q: An organism has two chromosomes only. Chromosome 1 has its centromere near one end and carries the…

A: Metaphase of Meiosis IHomologous chromosomes are paired up and aligned along the equator of the…

Q: A. Give 7 genes located on X chromosomes and provide 2 protein products of each gene. B. Give 4…

A: Question: A. Give 7 genes located on the X chromosome and provide 2 protein products of each gene.…

Q: Scenario 2: Down's syndrome can be caused by either a trisomy of chromosome 21 (2n=47 (+21)) or a…

A: Down syndrome is a genetic disorder that can be caused by two main mechanisms:Trisomy 21: This is…

Q: Consider the example of the fusion of chromosome 21 and 14. By itself, this fusion does not cause…

A: In humans, when the long arm of chromosome 21 is joined to the long arm of chromosomes 14 or 15, the…

Q: The physical cause of the law of independent assortment for genes on the same chromosome is which of…

A: Answer: The answer is E) Separation of homologous chromosomes in Meiosis.        It is known that,…

Q: Fetuses whose cells are triploid, that is, contain three full sets of chromosomes, develop to term…

A: INTRODUCTION The DNA molecule is packed into thread-like structures called chromosomes in the…

Q: Consider the following situation: The replicated chromosome 9 is separating during anaphase of…

A: Introduction:  A telomere is a segment of repetitive sequences found at the ends of most eukaryotes'…

Q: During the pathoanatomic inspection of a baby-boy's dead body the following abnormalities:…

A: Chromosomal disorder are the abnormalities that arises due to alterations in chromosome arrangement…

Q: The orange coat color allele in cats is located on the X chromosome and is one of two genes…

A: The two variants of coat color found in cats are orange and black. The alleles responsible for these…

Q: Which of the below explains why trisomy is better tolerated in humans than monosomy? (Select all…

A: 1. <!--<SUB-PART>--> (a) <!--<SUMMARY-INTRODUCTION>--> To Determine: If the…

Q: Chromosome translocations include: A. Alterations in which the genetic material remains the same…

A: There are various ways by which structures of chromosomes are altered and translocation is one of…

Q: Which types of mutations cause (1 word)  a. Increase amount of genetic material in particular…

A: a. Duplication mutations: These mutations result in the duplication of a segment of DNA, which can…

Q: ) Suppose that in a species of flowering plant, we cross a plant with red flowers with a short stem…

A: Mendel uncovered the fundamental laws of heredity. His experiments demonstrated that the inheritance…

Q: Metacentric chromosomes have a centromere located:   A. near the middle of the chromosome…

A: The centromere is the specialized DNA sequence of a chromosome that links a pair of sister…

Q: A woman with no phenotype is known to have a 14:21 translocation. 1. With respect to only…

A: The rearrangement of chromosomes in which one portion of the chromosome is breakdown and is attached…

Q: Genes G and H are located on chromosome 18. A woman with the genotype Gg Hh has a child with a man…

A: Nondisjunction refers to the failure of homologous and sister chromatids to divide.

Q: Explain why a person with Klinefelter Syndrome (XXY) still exhibits abnormal phenotypes despite the…

A: The human sex is determined at the time of fertilization in the fallopian tube of the female…

Q: An initial crossover event will occur between A and B, as indicated in the corresponding image.…

A: Exchange of genetic material or chromosomal segments between non-sister chromatids happens during…

Q: Which of the following situations does not describes a chromosomal mutation? Select one: a. A…

A: The chromosomal mutation generally means, The whole chromosome or whole gene is affected by any kind…

Q: Which of the following best explains why chromosomes 13, 18 and 21 are the only autosomes that are…

A: A trisomy is a type of polysomy in which there are three instances of a particular chromosome ,…

Q: For items 1-10, refer to the choices below: c. Pallister-Killian Syndrome DAV a. Williams Syndrome…

A: In genetics, chromosome deletion plays several roles in mutation. The gene deletion, the chromosome…

Q: A cytogeneticist has collected tissue samples from members of a certain butterfly species. Some of…

A: There are two sets of butterflies in the given question: the Canadian and Mexican groups. By using…

Q: Which of the following scenarios below can create a gamete with a large deletion of a chromosome?…

A: Deletion is the term used to denote a mutation in which a section of a chromosome is missing.

Q: Two chromosomes have the ff. order of genes: Normal                        A  B   centromere C  D…

A: a) Paracentric inversion: it's the type of inversion that doesn't involve the exchange of genes…

Q: Chorionic villus sampling is a procedure to determine if there are any abnormalities in chromosome…

A: Chorionic villus sampling is also used for the same purpose. Chorion is basically a membrane that…

Q: his area of the chromosome iIS 5%.

A: Introduction  Linkage disequilibrium (LD) is the nonrandom relationship of alleles of various loci.…

Q: 5) Cystic fibrosis is caused by a gene on chromosome 7 and results in the build-up of mucus in the…

A: Cystic fibrosis or (CF)- it is an inherited disorder that leads to severe damage to digestive…

Q: Part of the karyotype of a diploid individual who is heterozygous for one chromosomal rearrangement…

A: Chromosomal rearrangements are structural changes to chromosomes that affect how the genetic…