Mendel studied seven pea plant traits studied. These all were in line with the principle of independent assortment. What does this most probably indicate? None of the traits obeyed the law of segregation. All of the genes controlling the traits were located on the same chromosome. The diploid number of chromosomes in the pea plants was 7. All of the genes controlling the traits behaved as if they were on different chromosomes. The formation of gametes in plants occurs by mitosis only.

Mendel studied seven pea plant traits studied. These all were in line with the principle of independent assortment. What does this most probably indicate? None of the traits obeyed the law of segregation. All of the genes controlling the traits were located on the same chromosome. The diploid number of chromosomes in the pea plants was 7. All of the genes controlling the traits behaved as if they were on different chromosomes. The formation of gametes in plants occurs by mitosis only.

Name: Mendel studied seven pea plant traits studied. These all were in line
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Description: Mendel studied seven pea plant traits studied. These all were in line with the principle ofindependent assortment. What does this most probably indicate?None of the traits obeyed the law of segregation.All of the genes controlling the traits were lo

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter8: Patterns Of Inheritance

Section: Chapter Questions

Problem 2ACQ: Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are...

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Think about the same two genes that were mentioned in Question 23—R and T, present in the heterozygous condition as R and r, T and t. Now imagine that the gene for flower color (the alleles R and r) is not on the same chromosome as the gene for plant height (the alleles T and t). Because the two genes are on separate chromosomes, they show independent assortment. What does that mean? When this nucleus undergoes meiosis, it can make gametes with four different genotypes. Why? A very important aspect is that the four different genotypes will be formed in almost exactly equal numbers. Why?
Mendel counted thousands of pea plants for each cross in his experiments before reaching his conclusions. Why did he need to count so many? Each kernel you counted in this lab is an offspring resulting from sexual reproduction. Name three processes that contribute to variation in sexual reproduction.
Certain varieties of chrysanthemums contain 18, 36, 54, 72, and 90 chromosomes; all are multiples of a basic set of nine chromosomes. How would you describe these varieties genetically? What feature do the karyotypes of each variety share? A variety with 27 chromosomes has been discovered, but it is sterile. Why?
What aspect of chromosome behavior most clearly accounts for Mendel's law of segregation? Movement of sister chromatids to opposite poles at anaphase Il of meiosis. Movement of homologous chromosomes to opposite poles at anaphase I of meiosis. Crossing over between homologous chromosomes during prophase I of meiosis. Replication of chromosomes prior to meiosis. Independent alignment of different homologous pairs on the metaphase I spindle.
We say that genes that are close together on the same chromosome are linked. What does that mean? Imagine that in a diploid nucleus, one chromosome has the allele R and right next to it on the same chromosome is the allele T for a different gene. Are these linked? Imagine that r is right next to t on the homologous chromosome. If this cell never undergoes meiosis, does this matter at all? If it does undergo meiosis, what are the two genotypes that the gametes are most likely to have? Look at Figure for help if you need it.
An individual pea plant is heterozygous for two loci: height and seed shape, with the genotype TtRr. These two loci are on different chromosomes and assort independently. What gametes are produced by this plant? Select all that apply. rr RR tr Tr tR tt TR TT TtRr
In Mendel's genetic experiments many characteristics of the plants were quantified, such as their height (tall or short), flower position (axial or terminal), and seed color (colored or white). Suppose 100 plants are measured, and 37 are tall with axial flowers and colored seeds. Further, suppose a total of 26 plants have white seeds, 4 of them being short and 7 having terminal flowers. There are no short plants with terminal flowers, and the total number of short plants is 12. What is the probability a randomly selected plant will have flowers in the terminal position? Round your answer to THREE DECIMAL places. Also, double check your answer before posting. thank you
A student observes corn to analyze the outcome of two genes-- The Red gene (R or r) where purple (R) is dominant to yellow (r) and the Sugar gene (S or s) where smooth (S) is dominant to wrinkled (s). The student predicts the parent’s genotypes are RrSs and rrss. How many possible gametes would be formed by each parent? Parent 1 would have 2 gamete combinations and Parent 2 would have 2 gamete combinations Parent 1 would have 4 gamete combinations and Parent 2 would have 2 gamete combination Parent 1 would have 4 gamete combinations and Parent 2 would have 1 gamete combination Parent 1 would have 4 gamete combinations and Parent 2 would have 4 gamete combination
Consider three yellow, round peas, labeled A, B, and C. Each was grown into a plant and crossed to a plant grown from a green, wrinkled pea. Exactly 100 peas derived from each cross were sorted into phenotypic classes as follows: A: 51 yellow, round 49 green, round B: 100 yellow, round C: 24 yellow, round 26 yellow, wrinkled 25 green, round 25 green, wrinkled What are the genotypes of plants A, B, and C? (Use gene symbols of your own choosing; be sure to define each one.)
This image shows the offspring that result from a dihybrid cross between a plant with wrinkled green seeds and a plant with round yellow seeds. Generation Generation 2 round, yellow wrinkled, yel wrled green How can this graphic be used to support the idea of independent assortment? O The fact that the seeds can be one of two different colors shows that the chromosomes with the seed color gene must sort independently. O The fact that the seeds can be one of two different textures shows that the chrorhosomes with the seed texture gene must sort independently. O The idea that alleles sort independently is supported by the fact that some second generation offspring have trait combinations that the first generation parents do not have. O The idea that alleles sort independently is supported by the fact that some second generation offspring have the same trait combinations that the first generation parents have. https://student.masteryconnect.com/?iv=it4119tzPsQ…
In a particular plant, leaf color and leaf shape are controlled by two linked genes. Leaves of the wild-type plant are red. A recessive mutation in this gene causes white leaves. Wild-type leaves are pointed and a recessive mutation in this gene causes them to be smooth. The following cross was performed: Heterozygous red, pointed 43 white, smooth 42 red, pointed 8 white, pointed 7 red, smooth Homozygous white, smooth RESULTS: What is the recombination frequency between the gene for leaf color and the gene for leaf shape?
Mendel's Law of Independent Assortment states that: the members of a pair of homologous chromosemes assort independently of each other during gamete formation none of these the members of a pair of homologous chromosomes separate from each other during gamete formati different pairs of homologous chromosomes assort independently of each other during gamete formation different pairs of homologous chromosomes separate from each other during gamete formation