Identical twins each carry the same genome, but over time, can develop different phenotypes. How can you explain this?

Q: The BCRA-1 allele is associated with very high risk of breast and ovarian cancers. Is this allele…

A: The mutation accumulation (MA) theory describes that if harmful or deleterious mutations are…

Q: Create a hypothetical person and situation as a real life example to illustrate your position. Who…

A: Z is a 31-year-old male and he wishes to marry. He is the only child of his parents. His fiancé B…

Q: What are twins?Genetically what are the twotypes of twins that can begenerated?

A: Pregnancy is also termed as gestation during which one or more offspring develop in the uterus of a…

Q: Is it possible for a boy–girl pair of twins to be genetically identical? Why or why not?

A: Introduction  Usually there is only one embryo develops at a time in a single pregnancy but in some…

Q: Recessive alleles may be expressed in a child if they are inherited ... (Choose all that apply)…

A: X-linked Recessive diseases are those genetic diseases that are caused by the mutation of genes on…

Q: What are polytypic genes?

A: Genes are defined as the building blocks and the coded information that defines the complete physico…

Q: Lois and Peter, who are each NOT trisomic for chromosome 21, are awaiting the birth of a 2nd child…

A: *Given that Lois and Peter are not trisomic for chromosome 21. * The probability of Down syndrome is…

Q: 1. If an A a Bb Ccdd male mates with an A a Bb CC DD female. (a) What is the minimum number of…

A: Introduction :- Genotype is defined as the sum of all the genes and their respective alleles , that…

Q: In a woman who is a carrier of a mutant OTC deficiency allele, her sons who receive the mutant…

A: An alteration in the ornithine transcarbamylase (OTC) gene results in the genetic disorder known as…

Q: Ichthyosis is a rare X-linked recessive disorder that is characterized by scaling of the skin around…

A: Note- we are supposed to answer 3 subpart of a question according to our guidelines. So please…

Q: The Klinefelter syndrome (disomy of the X chromosome in males) is a genetic disease caused by…

A: The normal humans contain 46 chromosomes. Between these 46 chromosomes, 44 are autosomes and 2 are…

Q: The X chromosome has a lot of traits for things besides the traits we consider female. It carries…

A: If a parent is XY then the parent can give only Y chromosome to its XY offspring as this offspring…

Q: Picture a scenario where the maternal and paternal chromosomes randomly align all on the same side…

A: ChromosomesThese are thread-like structures that are present in the nucleus of cells. They…

Q: What is the most common symptom in a genetic disorder and why? Do all people exhibit this symptom of…

A: Genetic disorder is a health problem that had resulted due to one or more abnormalities of a person'…

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: Mutation

A: A) Genetic in drosophila have provided a wealth of information about a variety of cellular and…

Q: Prader-Willi Syndrome (PWS) is caused by a mutation in an autosomal gene that is maternally…

A: Given information Prader-Willi Syndrome occurs by the mutated autosomal gene that is maternally…

Q: In humans, why is it that the mother determines whether her sons will get recessive sex-linked…

A: Human X and Y chromosomes determine the biological sex of a person. XX specifies female and XY…

Q: The duck billed platypus is an unusual mammal. If you examine the sex chromosomes of a female…

A: The duck-billed platypus is an unusual, unique mammal, a member of the order Monotremata that is…

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: Why are lethal dominant genes much more rare than lethal recessive genes?

A: Lethal genes when inherited by the organism causes the organism to perish. The lethality can be…

Q: Drosophila can have 1, 2, or 3 stripes on their body. From previous experiments, you suspect that…

A: Introduction Drosophila melanogaster is a species of fly in the family Drosophilidae. The species is…

Q: Explain Loss of p53 function leads to genomic instability?

A: The TP53 gene provides instructions for making a protein called tumor protein p53 (p53). This…

Q: Why are there so few Y-linked traits in humans?

A: The study of genetic variations, heredity, and genes is called genetics.

Q: An abnormality of the large intestine called intestinal polyposis (IP) is dependent on dominant gene…

A: Genes, the hereditary units of genetic material can exist in two versions called alleles which are…

Q: Assume that a disease called Disease B is known to be x-linked but we don’t know if it’s a dominant…

A: A disease called Disease B is known to be x-linked. But if it is dominant or recessive can be…

Q: Rainbow trout go through a unique genetic reproductive process. Female eggs are diploid, while male…

A: Chromosomes are thread-like structures present inside the nucleus of the cell. Usually, they are…

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: Rainbow trout go through a unique genetic reproductive process. Female eggs are diploid, while male…

A: (Comment : As per the guidelines, we are allowed to answer one question at a time, so I am answering…