In fruit flies, the red allele is dominant to the allele for sepia eyes. In a certain population of 1000 fruit flies, 640 flies have red eyes while the remainder have sepia eyes. How many individuals would you expect to be homozygous dominant for red eye color?

Q: When many families were tested for their ability to taste the chemical PTC, the parental pairs were…

A: The ability to taste PTC is a dominant trait. Taster = TT, Tt Non taster = tt

Q: The V locus in a species of wild apples affects the redness of the fruit. There are two alleles, V1…

A: When two or even more genes produce a single contribution to the resulting phenotype, or when…

Q: which of the following is true?

A: Ans. When a blue color flower is crossed with a blue color it produces all blue color but when blue…

Q: In pea plants, tall plants are dominant to short plants.  Perform the following cross- 2…

A: In this question, we are dealing with a classic Mendelian genetics problem. The key to solving this…

Q: Suppose that in a mammalian species, the allele for black hair (B) is dominant to the allele for…

A: According to Mendelian inheritance, a single character is controlled by one or more genes and each…

Q: In humans brown eye color is dominant to blue eye color. Suppose that your mother is homozygous and…

A: According to the question, the brown color of the eye is dominant over the blue color of the eye.…

Q: Detached earlobes in humans are a result of the presence of a dominant allele. In a class of 30…

A: The genotype is called homozygous when two identical alleles are present and represent the genotype.…

Q: In mice, the gene C for colored fur is dominant over its allele c for white. The gene B for normal…

A: Introduction Genetics makes a distinction between genotype and phenotype. An organism's entire…

Q: In chickens, comb shape is determined by alleles at two loci (R, r and P, p). A walnut comb is…

A: Zygosity can be either heterozygous or homozygous. Heterozygous has one recessive allele and one…

Q: In minotaurs, an allele for round horns (R) is dominant to an allele for straight horns (r). At a…

A: Dominant allele frequency (p) =.4 p + q = 1 q = 1 -.4 =.6  p 2  +q 2 +  2pq  = 1    The proportion…

Q: Consider five unlinked genes: a, b, c, d, e are the recessive alleles, and A, B, C, D, E are the…

A: Quintuple heterozygote individuals are individuals who have inherited five different versions of a…

Q: and the gre

A: Introduction: A Punnett square is a tool used in genetics to predict the expected ratios of…

Q: In Sheep, hairy fleece is dominant over wooly fleece. White fleece is dominant over black fleece and…

A: In sheep, there are two main types of fleece: hairy and woolly. Hairy fleece is dominant over woolly…

Q: If a cross is made between two plants that are heterozygous for two traits (AaBb), then their…

A: To explore the pattern of inheritance of two pairs of alleles for two different traits, two…

Q: Coat color in cats is controlled by multiple alleles at a single locus, with ordered dominance as…

A: INTRODUCTION Phenotype The physical appearance of an organism.

Q: In sweet pea plant, an allele for purple flowers(P) is dominant when paired with a recessive allele…

A: Heredity is a process through which organisms have their parents' traits. The characteristics that…

Q: Chi-square computed

A: Chi-squared tests are a statistical measure that are used to determine whether the difference…

Q: In jellyfish, let's say that long tentacles are produced by a sex-influenced allele that is dominant…

A: Given information In jellyfish, long tentacles are produced by a sex-influenced allele. The allele…

Q: In mallard ducks, Anas platyrhynchos, plumage is under control of a single gene with three alleles:…

A: If a gene exists in more than two alleles such condition is called multiple allelism. Eg. Blood…

Q: The bird species described in question 5 has an ornamental plumage on its head.  The plumage…

A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…

Q: Curly wings is a recessive character in the fruitfly Drosophila melanogaster.  The wild type…

A: The dominant trait is straight wings. It is dominant over curly wings. Let S and s are two alleles.…

Q: In fruit flies, the allele for long wings (A) is dominant to the allele for short wings (a), and the…

A: Genes are the basic functional units of the heredity, that aids in transferring the genetic…

Q: Consider a one-locus system of simple dominance where the presence of at least one G allele results…

A: A genotype is a scoring of the type of variant present at a given location (i.e., a locus) in the…

Q: A scientist studying a species of algae, Gracilaria domingensis, discovered that its color is…

A: Alleles can be described as the different forms associated with particular gene. The formation of…

Q: In a different population of mice in New Mexico, coat coloration is influenced by a single gene…

A: The skin color is encoded by the B gene.

Q: List the glands found in the small intestine and their secretions.

A: The small intestine is the structure of the digestive system in which majority of digestion of food…

Q: In fruit flies, the allele for white eyes is recessive to the allele for red eyes. In a generation…

A: Introduction  The particular set of alleles for a given gene that make up an organism's genotype.…

Q: purple kernel color, while the homozygous recessive genotype causes red kernel color. If corn plants…

A: Each gene has two copies in sexually reproducing creatures like humans and other animals. The two…

Q: Suppose a species of tulip has three alleles for the gene that codes for flower color. The CR allele…

A: A trait is a characteristic features that is unique to particular individual . In tulip , there are…

Q: What is the expected proportion of phenotypes in the offspring of a cross between plants with the…

A: A dihybrid cross is a pairing procedure in which the parents have two different, genetically…

Q: The allele A is brown fur and the allele a is white fur. In a mating between a heterozygous male and…

A: Answer: HETEROZYGOUS : It is the pair of alleles which are not same, where one is dominant and the…

Q: Butterflies show 3 phenotypes due to incomplete dominance at the D locus with alleles DY and DB…

A: Incomplete dominance is a type of inheritance in which neither of the alleles of a gene is…

Q: In griffins, coat colour is determined by a single gene with a completely dominant black (B) allele…

A: The phenotype and genotype of offsprings depend on the gene that they inherit from their parents.

Q: In fruit flies, gray body (G) is dominant to black body (g).  If a male with a black body mates with…

A: A trait is a characteristic features that is unique to particular individual . A monohybrid cross is…

Q: If the frequency of the "green" form of red-green color blindness (due to an X-linked locus) is 5…

A: X linked inheritance is a type of inheritance in which gene that is responsible for prevalence of…

Q: Hypothetically the yellow color of a lovebird is a dominant allele (Y). The male lovebird is orange,…

A: Dominant refers to the relationship between the two versions of a gene. Individuals receive two…