out of 16 offspring mooth, green pods. out of 16 offspring

Q: Couple 2 PKU heterozygote (carrier) PKU homozygote -Couple 1 B. Can couple 3 have a child that has…

A: Phenylketonuria It is a autosomal recessive disorder.

Q: What would the probabilities be for the following outcome? 4 offspring, all normal. The father (has…

A: Introduction: Pattern of inheritance is governed by both the parents.  X represents the dominant…

Q: In humans, brown eyes (B) are dominant over blue. A brown eyed man marries a blue-eyed (b) woman and…

A: Genes are the functional unit of heredity. It carries information that is transferred from one…

Q: The human trait for blue eyes is recessive to the trait brown eyes (brown eyes is dominant). When a…

A: Brown eyes is dominant trait while blue eyes is recessive trait, which means 'B' represents brown…

Q: Using your knowledge of meiosis, explain why Drosophila progeny remain diploid? (2n=8)

A: The indirect process of cell division in which the chromosomes of parent cells divide once but…

Q: sex determination is based on the inheritance of alleles at one or more loci, in the absence of…

A: In genetics, sex determination is a term used to determine the sexual development of an organism by…

Q: Explain how Mendelssohn laws are related to meiosis

A: Gregor Mendel was a nineteenth century Moravian priest who showed that the inheritance of genes…

Q: Following a cross between two, dihybrid, heterozygous individuals, what fraction of the offspring…

A: In the question, it is given that the cross is made between the two dihybrid heterozygous…

Q: In a cross between a dwarf pea plant (homozygous recessive) and a tall pea plant (heterozygous),…

A: INTRODUCTION Homozygous dominant In Homozygous dominant, they have two dominant alleles. Homozygous…

Q: A human female who is heterozygous of the sex-linked trait causing red-green color blindness marries…

A: As a sex-linked characteristic, colour blindness is caused by a gene which is found on the sex…

Q: Describe the key events of meiosis that explainMendel’s first and second laws.

A: Meiosis is a process of cell division in which a single cell is divided twice to produce four cells…

Q: If two individuals have incompatible gametes, what will be the result of a mating event between…

A: Incompatible gametes mean the gametes are not viable to produce fertile offspring

Q: If an individual from this cross reproduces with another of the same genotype, what are the chances…

A: Straight hair line is a recessive trait. (ww) This trait will only be expressed when both the…

Q: 1. In Eastern toads, biologists may consider two traits that are independently assorted: B=bumpy…

A: Total toads = 556 Dominant traits Bumpy skin (B) Webbed feet (E) Recessive traits smooth skin (b)…

Q: The genetic identity of the female parent is RrGg and the genetic identity of the male parent is…

A: The objective of this question is to understand the simultaneous transmission of two genes from the…

Q: Name and explain the two events during meiosis that contribute to genetic variability among gametes.

A: Meiosis is the cell division process that involves division of a diploid (2n) mother cell into to…

Q: Two black mice were mated and produced 12 black and 4 white offspring. Explain these results, giving…

A: In a cross between a dominant and recessive one the dominant trait is always expressed wether in…

Q: In the hypothetical situation of pants and socks, which one of the offspring will be homozygous for…

A: Homozygous describes the genetic condition or the genetic state where an individual has inherited…

Q: Recognize and explain the relationship between Mendel’s laws and meiosis.

A: Gregor mendel was the one that who laid the base of genetics.

Q: Suppose you discover two interesting rare cytological abnormalities in the karyotype of a human…

A: To find: To find the proportion that has the same karyotype using the given pair of chromosomes

Q: Assume that in guinea pigs, dark brown fur (B) is dominant to black fur (b). If you mate a…

A: When you mate a homozygous black guinea pig (bb) with a homozygous brown guinea pig (BB), you can…

Q: When crossing the mythical one-horned snail (Snaiun) you notice that blue (B) is dominant to…

A: Given: In one-horned snail: Blue - dominant - B and Green - recessive - b Long - dominant - L and…

Q: What would be the outcome of a mating between a homozygous normal woman and a color-blind man?

A: Sex-linked inheritance is an inheritance pattern in which the trait depends upon the sex of the…

Q: Erminette fowls have mostly light colored feathers with an occasional black one, giving a flecked…

A: In this question, we are given a total progeny of 48 out of which 22 are Erminette, 14 black and 12…

Q: Couple 2 PKU heterozygote (carrier) PKU homozygote Couple 1 B. Can couple 3 have a child that has…

A: Since couple 1 who are not affected have affected children - one male and one female, the mode of…

Q: Fruit flies with one allele for curly wings (Cy) and one allele for normal wings (Cy+) have curly…

A: If a Fruit fly has one allele for curly wings (Cy) and one allele for normal wings (Cy+), then its…

Q: Consider the following gene on the "X" for color blindness: "XB" for normal vision is dominant to…

A: The genotype of female parent is XBXb, which means she carries one dominant allele and one recessive…

Q: Find the probability that when a couple has six children, at least one of them is a boy. (Assume…

A:

Q: Mid-digit hair is the genetic condition that allows for hair to grow on the middle segment of…

A: Law of Dominance - It states that dominant alleles always mask the recessive alleles. The question…

Q: Assuming that independence assortment occurs during meiosis what types of gametes will form…

A: Independent assortment is the separation of gene pairs independently from the other gene pairs.…

Q: stapedia is a lethal allele that is o dominant. Individuals with this it must be heterozygous (Aa)…

A: A lethal gene usually in homozygous conditions may prevent development hence cause the death of an…

Q: Assume that long fingers are Inherited as a recessive trait with an 80% penetrance.  Two people…

A: The percentage of people with a specific genotype who also displayed the predicted phenotype is…

Q: What is the probability that the parents below will produce the indicated offspring?  (Assume all…

A: AaBBDdggHhNn x AAbbDdGgHhNn   This is a hexahybrid cross. For simplification, convert it into 6…

Q: Show via a diagram how the product(s) of a meiotic (either I or II) nondisjunction involving the X…

A: Kilnefelter's Syndrome:  Klinefelter's syndrome is a genetic disorder in which a boy is born with an…

Q: Brachydactyly is a genetic condition in which the fingers are abnormally short in heterozygotes.…

A: Alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: -O 10 11 12

A: Pedigree is a family chart showing the inheritance of a particular trait through several generations…

Q: (This one is more complicated). Two true breeding fruit flies are allowed to mate. One fly is…

A: The body color phenotypes in the flies are black and gray. The eye color phenotypes in the flies are…

Q: How will the offspring be affected if one of the gametes or one of the parents carries an impaired…

A: Any syndrome marked by deformities or malfunctions in any of the body's systems and caused by an…

Q: In fruit flies, red eye color (R) is dominant over brown eye color (r). Two red-eyed fruit flies…

A: The offspring of two parents can be different from both parents as new allelic combinations can be…

Q: Calculate the probability of two heterozygous (all 4 gene loci) parents producing a child with the…

A: Heterozygous parents means AaBbCcDd is the parental phenotype we have to find the probability of…

Q: If two traits, dwarfism and stem color, were both on the same pair of chromosomes, would you expect…

A: According to Mendel's law of independent assortment, the segregation of alleles for one gene occurs…

Q: answer ii ,iii, and iv only

A: A gene is the physical and functional unit of heredity. The genes are made up of DNA.

Q: Consider the following cross: AaBBecDD X AabbCcDd assuming independent assortment of genes. What…

A: Dominant gene  The gene that mask the expression of other allele of same gene is known as dominant…

Q: A class of students mated fruit flies to study the inheritance of traits. The crosses and their…

A: Introduction :  A single cell divides twice to form four cells during the meiosis process. The…

Q: Explain the term heterogametic sex?

A: Chromosomes are the unit of inheritance. They carry genetic information from one generation to…

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.