Ch. 14-7 Expression of the SRY gene on the Y chromosome gives rise to the male phenotype in humans. What do you think the inheritance pattern of SRY alleles is called?

Q: What is the difference in meaning between the terms geneticrecombination and crossing over?

A: Genetics is the branch of biology which deals with genes, heredity, and genome in the organism.…

Q: What does an extra chromosome 16 mean?

A: Chromosomes, the physical carriers of genes, are the microscopic thread like structures in which the…

Q: What are the half-circle rotations of a chromosomal region?

A: Chromosomes emerge as thread-like structures inside the nucleus during cell division.…

Q: Define the Random Monoallelic Expression: Inactivation of the X Chromosome ?

A: They were discovered in 1876. These are the tertiary structures of DNA (deoxyribonucleic acid)…

Q: Ch. 14-4 Duchenne muscular dystrophy, which is inherited in an X-linked recessive pattern, nearly…

A: Duchenne muscular dystrophy or DMD is a severe form of muscle weakening and breakdown of muscles or…

Q: What are the 4 types of chromosomal aberrations?

A: Chromosomal aberrations are any change in the normal structure or number of chromosomes resulting in…

Q: What effects of heterozygosity for a deletion?

A: In a spontaneous deletion, 2 chromosomes break to remove the intervening segments. By deletion 1 or…

Q: What does the 16th chromosome do?

A: Chromosomes are thread-like structure, which are composed of nucleic acids and protein. They are…

Q: boy with Klinefelter syndrome (47,XXY) is born to a mother who  is  phenotypically  normal  and  a…

A: Klinefelter syndrome is a rare disorder that is caused in males alone. It is due to the presence of…

Q: How do translocations such as the Philadelphia chromosome contribute to cancer?

A: Translocations generate novel chromosomes, a segment from one chromosome is transferred to a…

Q: What causes chromosomal rearrangements?

A: Chromosomes carry the genetic material DNA. Gene is a segment of DNA. The necessary information for…

Q: A human female with Turner syndrome (45,X) also expresses the X-linked trait hemophilia, as did her…

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: What are chromosome 13 characteristics?

A: In all the living organisms, the genetic material is organized into a specific structure known as a…

Q: What are the function of pleiotropy?

A: It has been observed and studied that most of the biochemical pathways are interconnected in living…

Q: What are chromosome 17 traits?

A: In all the living organisms, the genetic material is organized into a specific structure known as a…

Q: Ch. 14-5 Human females have two X chromosomes (XX); males have one X and one Y chromosome (XY).a.…

A: Human male carries one X and one Y chromosome. Y chromosome is very small in size. It mainly…

Q: A rare class of dominant gain-of-function _______ arisesfrom neomorphic mutations that generate a…

A: Genes are the hereditary unit of the DNA that when expressed display a certain phenotype. A…

Q: Ch. 14-8 The somatic cells of most individuals with Down syndrome contain an extra chromosome 21,…

A: Abnormal gametes can be produced due to a faulty process of meiosis. A normal haploid gamete…

Q: Why is it that so many of the sex-linked traits we talk about in humans are carried on X chromosomes…

A: Traits can be dominant, recessive, sex linked recessive or sex linked dominant. Dominance is the…

Q: What is 18th chromosome abnormality?

A: The chromosomes are the thread like structure that contains hereditary information in the form of…

Q: What is Trisomy 17?

A: Chromosomal disorders are the disorders that are caused due to increase or decrease in the number of…

Q: What are chromosome 2 traits?

A: Chromosome 2 is one of the 23 pairs of the chromosomes in humans. It is the second largest…

Q: The maternal-effect mutation bicoid (bcd) is recessive. Inthe absence of the bicoid protein product,…

A: Introduction: Bicoid (Bcd) protein is a product of the bicoid gene having a maternal effect and is…

Q: Is chromosome 22 hereditary?

A: Heredity can be defined as the transfer of character in the offsprings from their parents through…

Q: How are the genes on the X chromosome regulated?

A: Males have just one copy of the X chromosome, whereas females have two copies. There is evolutionary…

Q: How translocation Down syndrome arises?

A: Down’s syndrome is a genetic disorder that occurs mostly in children. It leads to intellectual…

Q: Ch. 13-6 Suppose you identify a new gene in mice. One of its alleles specifies white fur, another…

A: Mendelian pattern of inheritance is where the ratio of the phenotypes in the case of monohybrid…

Q: 27 What is the most probable mode of inheritance for the genetic disorder shown in this pedigree?…

A: Introduction A pedigree chart is a graphic that depicts the incidence and emergence of phenotypes of…

Q: what is length of chromosome11 ?

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

Q: What is chromosomal rearrangements?

A: “Chromosomes” are “thread-like structures” and is composed of “protein” and a “DNA molecule” which…

Q: What are the possible effects of chromosomal rearrangements?

A: In genetics, a chromosomal rearrangement or Any alternation in the sequence of nucleotide in the…

Q: What are chromosomal islands? Why are theyconsidered to be of foreign origin?

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

Q: A boy with Klinefelter syndrome (47,XXY) is born to a motherwho is phenotypically normal and a…

A: The genome is the whole set of chromosomes in an individual. Abnormalities, whether minor or major,…

Q: How many genes are there present on chromosome 23 ?

A: Chromosomes are the carrier of genetic material deoxyribonucleic acid (DNA). They are coiled in…

Q: 17-19. A man and women of normal phenotype have a son with Duchenne muscular dystrophy, a sex-linked…

A: The correct option is (c) A=1/2 OR 50%,B=0%,C=1/4 OR 25%

Q: What kind of chromosomal mutations is/are produced by unequal crossing over?

A: Chromosome mutations are changes that arise in chromosomes as a result of nuclear division mistakes…

Q: What is diploid genome ?

A: The examination of a person's entire genome, along with how their genes communicate with one another…

Q: 16. Huntington's chorea is a dominant lethal in humans. The disease does not appear until later in…

A: Hi dear, here's your answer what you want.can you please give me a like for this answer.

Q: What is the 2n chromosome number of Valanga?

A: Genetic material are the means by which hereditary information is passed on from one generation to…

Q: Some individuals grow ear hair later in life, the gene for this trait is beleived to be carried on…

A: The phenotypic expression is the ultimate product of a gene. All of our phenotypic characteristics…

Q: What is mitotic nondisjunction?

A: A cell is a basic membrane-bound unit and it is often called the basic building blocks of all living…

Q: How many genes are there present on chromosome 17 ?

A: A chromosome contains hundreds to thousands of genes. Each ordinary human cell contains 23 sets of…

Q: Which cells in the human body undergo mitosis and do you think these cells are genetically identical…

A: Mitosis is that one type of cell division in which one parent cell divide to produce genetically…

Q: 13. Cystic fibrosis is caused by a recessive lethal gene and can be detected by an excess…

A: Cystic fibrosis is autosomal recessive disorder where there is defect in CFTR gene  Cause of cystic…

Q: How Chromosomal Rearrangements are Caused?

A: Numerous structural rearrangements in chromosomes have been characterised, inversions and…

Q: What is on the 17th chromosome?

A: Introduction: Humans have 23 pairs of chromosomes in which 22 pairs are called sex chromosomes and…

Q: What is maternal inheritance in genetics?

A: Inheritance is the transmission of genetic traits from one generation to next. DNA is the genetic…

Q: A boy with Klinefelter syndrome (47,XXY) is born to a motherwho is phenotypically normal and a…

A: XX is female and XY is male. Klinefelter syndrome is a condition when the male has one more extra X…

Q: Ch. 14-9 Mutations in the genes for clotting factor VIII and IX cause hemophilia A and B,…

A: Haemophilia is the genetic disorder in which the ability of the blood to clot is greatly reduced and…

Q: What are the four types of chromosomal rearrangements?

A: Chromosomal rearrangements are the mutations in the chromosomes that alter the structures of…

Inheritance and Mendelian Genetics

Inheritance means the passing of traits to offspring from parents. These traits could be passed either through asexual reproduction or sexual reproduction. The offspring receives the genetic material from the parents. Mendelian inheritance is a certain biological inheritance that follows the rules and principles laid down by Gregor Mendel in 1865. The initial hypothesis was considered wrong, but other inheritance theories modified the concept of inheritance and thus genetics.