In humans, the presence of an SRY gene commits a developing embryo to the female sex. indicates the individual carries a recessive mutation. commits a developing embryo to the male sex. indicates the individual carries a dominant mutation.

Q: Certain genes determine sex, fertility, and viability in Drosophila, and mutations in these genes…

A: Drosophila shows various gene expressions in sex differences. They show sexual dimorphism in gene…

Q: THE MOST COMMON FORM OF ALBINISM, A TOTAL LACK OF SKIN PIGMENT, IS DUE TO A RARE RECESSIVE GENE…

A: Albinism is a genetic condition that results in a lack of melanin the pigment responsible for…

Q: Explain various types of single gene disorders observed in humans

A: Genetic disorders need to study to find out treatment solutions. Single gene disorders are one of…

Q: Females with rr genotype are affected, males with rY are affected, females with Rr and RR are…

A: As given in the question :- Female ( rr) genotype = affected Male (rY) = affected Female (Rr) and RR…

Q: Which of the following is the correct progression from Mendel's heritable "factors" (genes) to the…

A: Heritable factor is the element that gets carried over from the parent to the offspring and thereby…

Q: a. In which sex, XY males or XX females, would the Sxl protein bind to the msl-2 mRNA? b. As…

A: Drosophila sex determination and dosage compensation are primarily controlled by two distinct sets…

Q: Mutation that results in death before the age of reproduction Mutation that results in an inactive…

A: Dominant mutations are those mutations which arise from the mutation of single copy of  dominant…

Q: Consider a couple: a woman who is homozygous for a recessive mutation that causes X-linked…

A: The topic at hand revolves around the inheritance patterns of X-linked colorblindness within a…

Q: Which of the following statements is true regarding the inheritance of a human X-linked recessive…

A: A recessive trait is the trait that expresses only when present in 2 copies i.e expresses only when…

Q: mice, the A allele causes agouti fur, the AY allele causes yellow fur and is dominant to the A…

A: The gene in question is thought to be important, and the deadly allele can be dominant or recessive.…

Q: In animals, embryonic lethal mutations can either in zygotic or maternal effect.  In zygotic embryo…

A: DISCLAIMER FOR MULTIPARTSince you have posted a question with multiple sub-parts, we will solve…

Q: If a trait is X-linked dominant, who would express the trait? A) females homozygous for the dominant…

A: X-linked dominant inheritance is a mode of genetic inheritance by which a dominant gene is carried…

Q: For an X-linked recessive disease where the father is unaffected: a) An affected father cannot pass…

A: When it is an X linked recessive pattern of inheritance, disease can only be manifested when it is…

Q: genomic anticipation refers to observations that a genetic disorder occurs at an earlier age in…

A: Genomic anticipation is the phenomenon where certain genetic disorders become more severe and appear…

Q: Variations in genomic sequence across multiple positions (such as different substitutions) that…

A: Variations in genomic sequence across multiple positions (such as different substitutions) that…

Q: The Notch mutation is a deletion on the X chromosome of Drosophila melanogaster. Female flies…

A: Notch mutations in Drosophila are X-linked wing mutations. One of the reasons for these mutations is…

Q: To understand this research, you must be familiar with some basic genetic terminology. Drag the…

A: Genetics is the scientific investigation of genes. Our genes contain information that is transmitted…

Q: The wingless fruit fly phenotype (unable to grow wings) is recessive to normal wing growth. A…

A: The wingless male fruit fly is crossed with a wingless female fruit fly and the progeny produced by…

Q: ile she does not have the condition she has a other who has the condition. Hemophilia is due a…

A: Hemophilia being an x linked recessive disease is a disease in which X chromosome is mutated. As…

Q: A recessive mutation pd causes purple eyes in Drosophila, in contrast to the wildtype red eyes. A…

A: The objective of this question is to determine the proportion of offspring that will have purple…

Q: Which of the following mutations cannot be inherited by a person's biological children? A mutation…

A: The objective of the question is to identify which type of mutation cannot be passed on to a…

Q: How many Barr bodies in a person with genotype XXXXX? How is the structure of a Barr body different…

A: The mammalian males contain XY chromosome and females contain XX chromosome. So, the number of…

Q: XBT is a gene that controls the development of the body, specifically by determining the number c…

A: Answer: Toolkit gene  These genes regulate the embryonic developments. They are involved in central…

Q: Suppose a man with color blindness, an X-linked recessive trait, has children with a woman who is a…

A: The alleles are generally of dominant and recessive type and some other forms like codominant and…

Q: An attached-X female fly, XX ¬Y (see the “Insights and Solutions” box), expresses the recessive…

A: Inheritance or heredity is passing-on one trait from the parents to the progeny by either asexual or…

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: In humans, the ability to digest lactose beyond childhood is determined by a single gene on…

A: The diploid organisms contain two alleles for a particular gene. According to the mendelian…

Q: To determine whether radiation associated with the atomic bombings of Hiroshima and Nagasaki…

A: Mutations are changes that occur in the deoxyribonucleic acid (DNA) sequence, either due to mistakes…

Q: 1)Explain the differences between the following terms: -Gene, allele, and locus -Genotype versus…

A: Genetics In biology, the study of organism genome is known as genetics.

Q: The gene causing Coffin-Lowry syndrome (OMIM 303600) was recently identified and mapped on the human…

A: Males and females of a species have separate sex chromosomes. The number of copies of seX-linked…

Q: Hemophilia is an X-linked recessive phenotype. Suppose a man who expresses the hemophilia phenotype…

A: Hemophilia is an X linked recessive bleeding disorder in which blood doesn't clot normally. Females…

Q: male has male pattern baldness, an x-linked recessive trait. Which of the following could be his…

A: The genes present on the sex chromosomes are responsible for the inheritance of a variety of traits.…

Q: Suppose a maternal effect gene exists as a functional dominantallele and a nonfunctional recessive…

A: A dominant allele is the one which expresses itself in its homozygous as well as in heterozygous…

Q: Allele-specific gene inactivation by males and females during formation of gametes is called?…

A: Option A is correct because Genomic imprinting is a process of silencing genes through DNA…

Q: What

A: Genomic imprinting:- A phenomenon in which expression of an allele in offspring depends on whether…

Q: In fruit flies, eye color is an X-linked trait.  Red eyes (XB) are dominant to maroon eyes (Xb). A…

A: An alternate form of a gene is called alleles.  The dominant allele is represented by a capital…

Q: Which findings support the fact that the presence of the Y- chromosome rather than the lack of a…

A: In many animals including humans, sex is determined by sex chromosomes, which are X and Y…

Q: Lesch-Nyhan syndrome is caused by a X-linked recessive mutations. Accordingly, Lesch-Nyhan syndrome…

A: Lesch- Nyhan syndrome is caused by the X linked genes. The symptoms includes banging head,…

Q: For each of the following, identify whether the statement about Hox genes is true for Drosophila…

A: 1. Hox genes are present in the genome Both Drosophila (fruit flies) and vertebrates have Hox genes…

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.