A А В A B Environment Trait value Trait value Trait value Trait value B.

Q: Write a short explanatory essay on the following statement: “Incases of genetically programmed…

A: Natural selection is defined as the process by which an organism or individual will adapt to its…

Q: The frequency of the A allele is represented by p, while the a allele is represented by q. At…

A: Hardy Weinberg principle is considered one of the cornerstones of population genetics. The group of…

Q: Twin studies are often used in the research of human behavioral traits. Although helpful, there are…

A: - Dizygotic twins will generally share more than half of their genes-There is high maternal effects…

Q: Which of the following statements correctly describes the Law of Independent Assortment? Select one:…

A: Genes are made of DNA and are the basic unit of heredity. More than one version of the same gene…

Q: Imagine that you are a doctor in a maternity ward. During your last shift, 20 babies were born. 10…

A: Genetics is defined as the scientific study of two major aspects that are genes and heredity. It…

Q: Question 11 Lee Ann has two fish. One is heterozygous for orange color, and the other is homozy-…

A: Given:  R - orange color and r - black color  Genotype of the two fishes:  Heterozygous for orange…

Q: In Hereford cattle, the phenotypic expression of coat pattern called line-back (a white line down…

A: 1. Allele frequency for the line-back trait:We can solve this problem using the Hardy-Weinberg…

Q: Heritability of a biological trait is best defined as which of the following?   a. The proportion…

A: Hereditary is the process of transmission of characters from one generation to another.

Q: Male-pattern baldness is an example of a sex-influenced trait. The baldness allele, which causes…

A: Option b NN x BN

Q: In garden pea plants, the yellow seed colour (Y) is dominant over the green seed colour (y). In a…

A: Although the words genotype and phenotype may sound similar, they are very different from one…

Q: The following table gives the percentage of twin pairs studied in which both twins expressed the…

A: There are many environmental and genetic factors that work together to affect the various phenotype…

Q: Skin color is a complex trait and while just a few genes account for the major difference between…

A: introduction Incomplete dominance is a kind of inheritance in which both alleles of a gene are…

Q: In mice, two alleles are known to exist for the tinged hair locus, T and t. The frequency of t is…

A: Allele frequency refers to the proportion of a specific allele within a population's gene pool. In…

Q: A dairy farmer would like to reduce the incidence of mastitis within his herd. He has decided to…

A: Somatic cell count (SCC) Clinical mastitis. Daughterhood

Q: You are a zoologist working with Giraffes. Their main traits are: Grey tongues (G"), Rudimentary…

A: This is a trihybrid test cross. Because three genes are involved in this case.

Q: Please answer the following question form the Image provided:

A: AnalysisTo determine if the trait is evolving, compare the observed frequencies with the expected…

Q: In a population of Boer goats, allele G confers +10kg body weight and allele g confers +5kg body…

A: The understanding of genetic and breeding values is crucial in animal breeding programs aimed at…

Q: Draw a punnett square for each problem.  Please be careful to notice whether a trait is homozygous…

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

Q: female poodle with green eyes (recessive) and yellow spots on her tongue (recessive) was bred with a…

A: a- The genotype of male poodle is GgYy. Genotypes for female poodle is ggyy.  b -Expected phenotype…

Q: Which of the following rows correctly identifies the genotypes of the cattle?

A: From the given question we can conclude: A polled or hornless trait must be PP or Pp while the…

Q: Both parents are homozygous for the allele for myostatin that results in typical muscles (mm x mm).…

A: In this question, the parents are homozygous recessive for the allele of myostatin. Presence of mm…

Q: In garden pea plants, the yellow seed colour (Y) is dominant over the green  seed colour (y). In a…

A: Introduction The allele frequency is a measure of how common a gene variant is in a population. To…

Q: What does codominance mean in genetics? Select one: O a. Both alleles are expressed only when they…

A: Codominance in genetics refers to a situation where the two alleles are expressed in the phenotype…

Q: By observing flower color in 4 o’clock flowers, is it possible to unambiguously determine the…

A: Incomplete dominance Incomplete dominance is a kind of allelic interaction in which the dominant…

Q: 1) Calculate the percent heterosis for a trait where breed A averages 100 lbs, breed B averages 150…

A: The question asks to determine the percent heterosis for some trait or characteristic when the given…

Q: Dichotomous Key for Leaves 1. Compound or simple leaf 1a) Compound leaf (leaf divided into leaflets)…

A: Leaves are of two types based on the division of leaf lamina(blade) - Simple leaves and compound…

Q: Draw the expected phenotypic variance of a trait encoded by 5 genes with 25% environmental variance…

A: For any entity produced by both genetic and environmental variations, phenotypic variation, the…

Q: 1. Set up a punnett square using the following information: 2. Using the punnett square in question…

A: Introduction : A Breeding Attempt Between Two Creatures That Are Identical Hybrids For Two Traits Is…

Q: Your dream has come true, you’re a marine biologist studying Narwhals in the arctic. They have been…

A: An aquarium is a closed system, typically made of glass or acrylic, designed to house aquatic plants…

Q: Cystic fibrosis (CF) is a recessive autosomal disorder. In certainpopulations of Northern European…

A: According to Hardy Weinberg law the change of gene frequency in a population remain constant over…

Q: Briefly describe the polygenic threshold theory.

A: As per the honor code, we answer only one question at a time, therefore, we are answering the first…

Q: Please explain how the more genes that contribute to a particular trait, the less discrete the…

A: A quantitative trait locus (QTL) is a locus that correlates with difference of a quantitative trait…

Q: Your dream has come true, you’re a marine biologist studying Narwhals in the arctic. They have been…

A: To estimate the environmental variance in the wild, we need to subtract the genetic variance from…

Q: Two loci contribute to eyelash length in angora rabbits (locus A  and B).   Assuming additive…

A: Additive genetic variance means each allele that is inherited has a particular contribution to the…

Q: You are conducting an experiment studying sex linked traits. I. The experiment you cross 2 different…

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

Q: Which of the following statements does NOT apply to the Hardy-Weinberg expression: p2 + 2pq + q2?…

A: Hardy-Weinberg gave the null hypothesis for populations that are not evolving. Hence if the null…

Q: Which of the following best describes the broad-sense heritability of a trait? Variance in the trait…

A: Broad sense heritability - It is the proportion of variation in phenotype which  characterise the…

Q: In a population of 1,000 squirrels, 60 are melanistic. Agouti fur (each hair displays two or more…

A: A population of squirrels contains melanistic individuals. Melanistic fur is subordinate to agouti…

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.