In a particular lizard, there are two alleles in a single gene for color; Y (yellow) or Y' (Blue); A cross between a yellow (YY) and blue (Y’Y’) lizard produces 100% green lizards (YY’). If 2 green lizards are crossed, what percentage of offspring would be green? a. 50% b. 25% c. 15% d. 100% e. 33% f. 0%

In a particular lizard, there are two alleles in a single gene for color; Y (yellow) or Y' (Blue); A cross between a yellow (YY) and blue (Y’Y’) lizard produces 100% green lizards (YY’). If 2 green lizards are crossed, what percentage of offspring would be green? a. 50% b. 25% c. 15% d. 100% e. 33% f. 0%

Name: In a particular lizard, there are two alleles in a single gene for col
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Description: In a particular lizard, there are two alleles in a single gene for color; Y (yellow) or Y' (Blue);A cross between a yellow (YY) and blue (Y’Y’) lizard produces 100% green lizards (YY’). If 2 green lizards are crossed, what percentage of offspring wo

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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Imagine a test cross for an unknown exhibiting 2 traits, where half of the offspring exhibit both dominant traits and the other half exhibits one dominant and one recessive trait. What can you conclude about the unknown? options: A) The unknown is homozygous dominant for both traits. B) The unknown is homozygous recessive for both traits. C) The unknown is heterozygous for both traits. D) The unknown is homozygous for one gene and heterozygous for the other. E) There is not enough information to determine the answer.
A long-haired cat is crossed to a short-haired cat, both from purebreeding lines. All of the resulting offspring have short hair What types of offspring would result if you crossed one of the offspring to the long-haired parent? Group of answer choices A. all short B. ¼ short ¾ long C. half short and half long D. all long E. ¾ short, ¼ long
A plant that is homozygous for the recessive yellow pod color is crossed with a plant that is heterozygous. Which phenotype will appear MOST in the offspring? A. There will only be plants with green pods. B. There will be more plants with green pods. C. There will be more plants with yellow pods. D. Plants with yellow and green pods will appear in equal numbers.
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
A fungus with white spores cross fertilizes a fungus with black spores. If 10% of the progeny bear white spores while 90% of the progeny bear black spores, what must be true? A. The trait for spore color is determined by exactly one gene. B. The trait for spore color is determined by more than one gene. C. The allele for black spores is dominant over that for white spores. D. The allele for white spores is dominant over that for black spores.
When a Chinese hamster with white spots is crossed with another hamster that has no spots, approximately 12 of the offspring have white spots and 12 have no spots. When two hamsters with white spots are crossed, 23 of the offspring possess white spots and 13 have no spots. a. What is the genetic basis of white spotting in Chinese hamsters? b. How might you go about producing Chinese hamsters that breed true for white spotting?
Gregor Mendel proposed the law of independent assortment based on the observation that dihybrid crosses of heterozygous individuals produced progeny in a 9:3:3:1 ratio. For this observation to hold, which assumption must be true? A. The traits are governed by genes on different chromosomes. B. The traits are governed by genes on the same chromosome. C. The traits are governed by genes with only two alleles. D. The traits are governed by genes with only three alleles.
Which of the following statements illustrates codominance? Select one: a. Red flowers crossed with white flowers produce pink flowers. b. Individuals who are heterozygous for the sickle cell anemia allele are more resistant to malaria. c. Two parents with blood types A and B can have children with blood type O. d. Grey heterozygous chickens have black and white feathers.
In guinea pigs, black fur is dominant over white fur. If a homozygous dominant guinea pig were crossed with a homozygous recessive guinea pig, the first generation of offspring would _____. Select all that apply. a be heterozygous b be phenotypically identical c have all black fur d have half black fur and half white fur e be homozygous
In a particular plant species, a cross between pure breeding strains both of which have white flowers produces F1 progeny with purple flowers. The F2 generation subsequently produced resulted in 450 plants with purple flowers and 350 with white flowers. a) State the phenotypic ratio in the F2 progeny. b) Deduce the genotype of purple F2 plants. c) Deduce the genotype of F1 plants. d) Deduce the genotype of two parental plants.
A fungus with white spores cross fertilizes a fungus with black spores. If 10% of the progeny bear white spores while 90% of the progeny bear black spores, what must be true? A. The trait for spore color is determined by exactly one gene. B. The trait for spore color is determined by more than one gene. C. The allele for black spores is dominant over that for white spores. D. The allele for white spores is dominant over that for black spores. Photo attatched
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