Which of the following is most accurate? O phenotypes code for genotypes recessive alleles tend to be more common in large populations white flower alleles are recessive in pea plants genes are different forms of alleles O you can see genotypes from the outside of an organism phenotypes are only found in plants

Which of the following is most accurate? O phenotypes code for genotypes recessive alleles tend to be more common in large populations white flower alleles are recessive in pea plants genes are different forms of alleles O you can see genotypes from the outside of an organism phenotypes are only found in plants

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter19: Introduction To Genetics

Section: Chapter Questions

Problem 9SQ

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In sweet pea plant, an allele for purple flowers (P) is dominant when paired with a recessive allele for red flowers (p). An allele for long pollen grains (L) is dominant when paired with a recessive allele for round pollen grain (l). Bateson and Punnett crossed a plant having purple flowers/long pollen grains with one having white/flowers/round pollen grains. All F1 offspring had purple flowers and long pollen grains. Among the F2 generation, the researchers observed the following phenotypes: 296 purple flowers/long pollen grains 19 purple flowers/round pollen grains 27 red flowers/long pollen grains 85 red flowers/round pollen grains What is the best explanation for these results?
Clubfoot is a common congenital birth defect. This defect is caused by a number of genes but appears to be phenotypically distributed in a noncontinuous fashion. Geneticists use the threshold model to explain the occurrence of this defect. Explain this model. Explain predisposition to the defect in an individual who has a genotypic liability above the threshold versus an individual who has a liability below the threshold.
In tomato, the purple color of the stem is determined by an autosomal dominant "A" allele. The recessive allele "a" determines a green colored stem. An independent gene controls the shape of the leaf: the dominant allele "C" determines leaf with a trimmed border and the recessive allele "c" determines leaf with a full border. Perform Genotype and Phenotype giving probability percentages.
Which of the following terms means “many genes”?a. polymorphismb. polygenyc. polypeptided. multiple alleles
chickens, comb shape is determined by alleles at twa loci (R. And P.) Walnut comb is produced w atan one dominant allele Is present at one locus and at least one dominant allele Pis present at a second locus Prototype. A rose comb is produced when at least one dominant allele is present at the first locus and two recessive alletes are present at the second locus (genotype: Rpp). A pea comb is produced when two recessive alleles are present at the first locus and at least one dominant allele is present at the second (genotypes wa recessive alleles are present at the first and at the second locus trap), a single comb is produced Progeny with what types of combs and in what proportions will result from the cross between Rp and PP 14 Walnut Pol 1/4 rose comb (Ppl. 1/4 Pea comb (rrPp), 1/4 single comb (rrpp) 16 walnut, 3/16 rosecomb (pp. 3/16 pea.comb (P X. 1/16 single comb (rrpp) O34 rose comb (R PP), 1/4 single comb rrpp) 12 walnut (RPp), 1/2 rose comb (Rpp). O pea (Pp). O single comb…
A sex-influenced trait is dominant in males of a certain speciesof animal and causes bushy tails. The same trait is recessive infemales. Fur color is not sex-influenced.Yellow fur is dominantto white fur. A true-breeding female with a bushy tail and yellowfur was crossed to a white male without a bushy tail (i.e., a normaltail). The F1 females were then crossed to white males withoutbushy tails. The following results were obtained: A. Conduct a chi square test to determine if these two genes arelinked.B. If the genes are linked, calculate the map distance betweenthem. Explain which data you used in your calculation.
Guinea pigs have curly or straight hair, where the curly gene is recessive. Guinea pigs can also have a condition called bow legged. Where their legs curve noticeably outward. Bow leggedness is a dominant lethal allele if an individual inherits two copies of it. Show the cross between a curly haired, bow legged Guinea pig and a heterozygous straight haired pig so that is also bow legged. How many of their offspring is gonna be normal with curly hair? confused with this I need a better understanding and no answers from online just a clear answer for this
Two pair of alleles are known to interact in the production of feather color in parakeets. Allele B is needed for Blue pigment, whereas the recessive “b” resulted in lack of color. The dominant C is associated with yellow pigment whereas the recessive allele “c” also resulted in lack of color. Blue and Yellow pigments together produce green feather color. Give the genotype of each of the following A green bird that has a white off spring A yellow bird that has a green parent A blue bird that has two parents A white bird that had a green parent and a blue parent.
What are alleles? A) alternative forms of a genes for a single trait, such as blue eyes or brown eyesB)the location of genes on a chromosomeC) genes for different traits, such as hair color or eye color
The part that is missing is where the traits for things like colorblindness and hemophilia exist. This meansthat if you have XY chromosomes, you are missing alleles on one of the chromosomes. So whatever alleleis on your X is expressed regardless of if being dominant or recessive. These X-Linked Traits have a specialway to note the alleles.X-Linked alleles use X and Y as their base and then the allele that notates the trait is in the top, rightcorner. For instance: Phenotype(appearance) Genotype(alleles) XY with Hemophilia XhY XX withouth Hemophilia XHXh Notice that the female has two X’s so has 2 alleles. She is not a hemophiliac, but is carrying the trait.That means she can pass the trait to her offspring.Why don’t you cross those two parents here and find the outcome:Parents: Offspring: Genotypes:Phenotypes: Is there a chance of producing an XY offspring with hemophilia? Explain your answer Will…
Which of the following is defined as an individual’s observable traits? Allele Phenotype Genotype Gene
In a species of beetles, individuals may be red, black, white or tan. Colour is controlled by a single gene with multiple alleles in a dominance series. Red (R) is dominant to black (Rb), black is dominant to white (Rw) and white is dominant to tan (r) (R > Rb > Rw > r).Colour variation in this species is a female sex-limited trait. Males carry the colour genes but are always phenotypically tan regardless of their genotype.What are the genotypes of the parents of the following cross? white female × tan male produce 13 red females: 6 white females: 5 tan females: 19 tan males