In Bean plants two genes are defined below with the lower case letter indicating the recessive allele. A = yellow flower color a = green flower color. spotted pods plain pods B = A parental generation cross is made between a pure breeding plant with yellow flower color and spotted pods, to a pure breeding plant with green flower color and plain pods. Write this parental generation cross using the symbols defined above. Write the genotype of the F1 plants. An F1 plant is then testcrossed. Write this testcross using the symbols defined above.

In Bean plants two genes are defined below with the lower case letter indicating the recessive allele. A = yellow flower color a = green flower color. spotted pods plain pods B = A parental generation cross is made between a pure breeding plant with yellow flower color and spotted pods, to a pure breeding plant with green flower color and plain pods. Write this parental generation cross using the symbols defined above. Write the genotype of the F1 plants. An F1 plant is then testcrossed. Write this testcross using the symbols defined above.

Name: In Bean plants two genes are defined below with the lower case letter
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Description: In Bean plants two genes are defined below with the lower case letter indicating the recessiveallele.yellow flower colora = green flower color.B = spotted podsb = plain podsA =A parental generation cross is made between a pure breeding plant with ye

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 4RQ: Imagine that you are performing a cross involving seed color in garden pea plants. What traits would...

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The following pedigree shows the pattern of inheritance of red-green color blindness in a family. Females are shown as circles and males as squares; the squares or circles of individuals affected by the trait are filled in black. What is the chance that a son of the third-generation female indicated by the arrow will be color blind if the father is not color blind? If he is color blind?
Imagine that you are performing a cross involving seed color in garden pea plants. What traits would you expect to observe in the F1 offspring if you cross true-breeding parents with green seeds and yellow seeds? Yellow seed color is dominant over green. a. only yellow-green seeds b. only yellow seeds c. 1:1 yellow seeds:green seeds d. 1:3 green seeds:yellow seeds
Imagine that you are performing a cross involving seed texture in garden pea plants. You cross true-breeding round and wrinkled parents to obtain F1 offspring. Which of the following experimental results in terms of numbers of plants are closest to what you expect in the F2 progeny? a. 8lOroundseeds b. 8lOwrinkledseeds c. 405:395 round seeds:wrinkled seeds d. 610:190 round seeds:wrinkled seeds
Sunflowers with flowers 10 cm in diameter are crossed with a plant that has 20-cm flowers. The F1 plants have flowers 15 cm in diameter. In the F2 generation, 4 flowers are 10 cm in diameter and 4 are 20 cm in diameter. Between these are 5 phenotypic classes with diameters intermediate to those at the extremes. a. Assuming that the alleles that contribute to flower diameter act additively, how many genes control flower size in this strain of sunflowers? b. How much does each additive allele contribute to flower diameter? c. What size flower makes up the largest phenotypic class?
You want to determine whether genes a and b are linked. What cross would you use and why? How would this cross tell you if they are linked?
Many of the color varieties of summer squash are determined by two different interacting genes A and B: AA or Aa gives white colored squash, aaBB or aaBb gives yellow squash, and aabb produces green squash. A plant producing white squash is crossed with a plant producing green squash. One half of the offspring produces white squash; the other half produces green squash. What is the genotype of the parent plant producing white squash? AAbb AABB AaBb Aabb AaBB
You carry out a trihybrid cross (a cross in which the parental plants differ for three characters) between a tall pea plant with round, yellow seeds (TT RR YY) and a short pea plant with wrinkled, green seeds (tt rr yy). The parental plants are homozygous for all of the three characters. They are crossed to produce the F1 generation. Tall, round, and yellow are the dominant traits for each character. What will be the phenotypes of the F1 generation?
: In poultry, the genotype-phenotype relationships for comb shape are R/– P/–, walnut; R/–p/p, rose, r/r P/–, pea; and r/r p/p, single. What will be the comb characters of the offspring ofthe following crosses?a) A walnut crossed with a single produces offspring that are walnut, rose, pea, and single.b) A rose crossed with a walnut produces offspring that are walnut, rose, pea, and single.c) A rose crossed with a pea produces five walnut and six rose offspring.d) A walnut crossed with a walnut produces one rose, two walnut, and one singleoffspring
In poultry , the genotype-phenotype relationship for comb shape are R/-P/-, walnut. R/-p/p rose, r/rP/-,pea and r/r/p/p single.what will be the following crosses? a)A rose rose crossed with a walnut produces offspring that are walnut ,rose,pea and single. b)A rose crossed with a pea produces five walnut and six rose offspring. c) A walnut crossed with a walnut produces one rose two walnut and one single offspring.
. In pea plants, seed shape and seed color are controlled by genes located on different chromosomes. Seeds may be round (R) or wrinkled (r), with the allele for round seeds being dominant. Alleles for seed color are yellow and green, with the green allele (y) recessive to the yellow (Y) allele. If you cross an individual that is homozygous round and yellow with an individual that is homozygous for wrinkled and green, what is the genotype of the F1 individuals?
A plant geneticist is examining the mode of inheritance of flower color in two closely related species of exotic plants. The first species may have two pure-breeding lines—one produces a distinct red flower; and the other produces flowers with no color at all, or very pale yellow flowers. However, she cannot be sure. A cross of these varieties produces all pink-flowered progeny. The second species exhibits similar pure-breeding varieties; that is, one variety produces red flowers; and the other produces an albino or very pale yellow flower. A cross of these two varieties, however, produces orange-flowered progeny exclusively. Analyze the mode of inheritance of flower color in these two plant species.
Three recessive traits in garden pea plants are as follows: yellowpods are recessive to green pods, bluish green seedlings are recessiveto green seedlings, creeper (a plant that cannot stand up) isrecessive to normal. A true-breeding normal plant with green podsand green seedlings was crossed to a creeper with yellow pods andbluish green seedlings. The F1 plants were then crossed to creeperswith yellow pods and bluish green seedlings. The following resultswere obtained: 2059 green pods, green seedlings, normal151 green pods, green seedlings, creeper281 green pods, bluish green seedlings, normal15 green pods, bluish green seedlings, creeper2041 yellow pods, bluish green seedlings, creeper157 yellow pods, bluish green seedlings, normal282 yellow pods, green seedlings, creeper11 yellow pods, green seedlings, normal Construct a genetic map that indicates the map distances betweenthese three genes?