Genetics Experience Please The R locus determines flower color in a new plant species. Plants that...
Genetics Experience Please
The R locus determines flower color in a new plant species. Plants that are genotype RR have red flowers, and plants that are rr have white flowers. However, Rr plants have pink flowers. What type of inheritance does this demonstrate for flower color in these plants?
Incomplete dominance
Complementation
Lethal alleles
Codominance
Complete dominance
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Genetics Experience Please
The R locus determines flower color in a new plant
species. Plants that...
In a different plant species, flower color is controlled by two genes that contribute equally to...
In a different plant species, flower color is controlled by two genes that contribute equally to the final flower color. Plants with red flowers have the genotype: CRCR DRDR, while plants with white flowers have the genotype: CWCW DWDW. A red flowering plant was mated to a white flowering plant and all of the F1progeny had pink flowers. These pink flowered F1 plants were allowed to self-fertilize to produce F2progeny. What is the genotype of the F1 plants that produced...
ANSWER ALL 33) In snapdragons, a cross between red and white flower color parents result in...
ANSWER ALL
33) In snapdragons, a cross between red and white flower color parents result in pink flowers in the F1 generation. This is an example of a) codominance b) incomplete dominance c) sex linked dominance d) autosomal dominance 34) ABO blood type is an example of what type of inheritance? a) sex-linked inheritance b) autosomal inheritance c) codominance d) incomplete dominance 35) Widow's peak is a) sex-linked inheritance b) autosomal inheritance c) cedominance d) incomplete dominance 36) The presence...
II. MONOHYBRID PROBLEMS WITH INCOMPLETE DOMINANCE 8. Petunia flower color is governed by two alleles, but...
II. MONOHYBRID PROBLEMS WITH INCOMPLETE DOMINANCE 8. Petunia flower color is governed by two alleles, but neither allele is truly dominant over the other. Petunias with the genotype R R are red-flowered, those that are heterozygous (R W ) are pink, while those with the (WW ) genotype have white flowers. This is an example of incomplete dominance. a. If a white-flowered plant is crossed with a red-flowered plant, what is the genotypic ratio of the F1? __________________________________________________________ b. What...
In a species of plant, two genes control flower color. The red allele (R) is dominant...
In a species of plant, two genes control flower color. The red allele (R) is dominant to the white allele (r); the color producing allele (C) is dominant to the non color producing allele (c). You suspect that either an rr homozygote or a cc homozygote will produce white flowers. In other words, rr is epistatic to C, and cc is epistatic to R. to test your hypothesis, you allowed heterozygous plants (RrCc) to self fertilize and count the offspring....
0. In snapdragons, the alleles for flower color show incomplete dominance. CRCR produces red flowers; CWCW...
0. In snapdragons, the alleles for flower color show incomplete dominance. CRCR produces red flowers; CWCW produces white flowers and CRCW produces pink flowers. The height of the plant is determined by a separate gene with regular dominant and recessive alleles. Normal height (D) is dominant over dwarf height (d). a. A snapdragon that is heterozygous normal in height and has white flowers is crossed with a plant that is dwarf in height and has red flowers. What is the...
1. What kind of assortment does the F2 generation exhibit? Which of Mendel’s laws does it...
1. What kind of assortment does the F2 generation exhibit? Which of Mendel’s laws does it support? 2. What are the genotypes of both of the first parent plants? 3. Why do the F1 generation plants only contain tall plants with red flowers? Why are there no short plants or white flowers? 4. According to the activity, what is the genotype for the F1 Generation? What is their phenotype? 5. From the Punnett Square, what is the ratio of short-white...
8. Pea plant breeders wanted to pick healthy tall plants that were homozygous for the height...
8. Pea plant breeders wanted to pick healthy tall plants that were homozygous for the height gene. They had a collection of 10 plants that were healthy and tall, but the genotypes were unknown. How might they determine if the 10 tall plants were heterozygous or homozygous for the height gene? a. What genotypes are possible for tall pea plants? b. What cross would be most useful in distinguishing between homozygous and heterozygous tall plants? c. Explain the concept of...
15. The gene for petal color in a flower has incomplete dominance, so that individuals with...
15. The gene for petal color in a flower has incomplete dominance, so that individuals with two Al alleles (AIAI) are red, individuals with two A2 alleles (A2A2) are white, and individuals with one of each allele (A1A2) are pink. In a cross between a red flower and a white flower, what is the probability of getting a pink offspring? (2 points) In a cross between a red flower and a pink flower, what is the probability of getting a...
1. Genetically identical plants are planted in a garden. Ones on the east edge of the...
1. Genetically identical plants are planted in a garden. Ones on the east edge of the garden produce blue flowers; the others produce pink flowers. How can this best be explained? environmental factors influence flower color the alleles are codominant the allele for blue flowers is dominant a mutation must have occurred multiple alleles affect flower color 2. In a species of mammal, some individuals are true-breeding for red hair. Others are true-breeding for brown hair. A true-breeding red individual...
In wild petunias, the allele for red flower color (R) is dominant over the allele for...
In wild petunias, the allele for red flower color (R) is dominant over the allele for white flower color (r). We sample a population and find 240 plants have white flowers and 85 have red flowers. If the population is in HWE, what are the allele frequencies of R and r in this population? How many of the 85 plants that have red flowers are homozygous and how many are heterozygous at the flower color locus?
ANSWER ALL
33) In snapdragons, a cross between red and white flower color parents result in pink flowers in the F1 generation. This is an example of a) codominance b) incomplete dominance c) sex linked dominance d) autosomal dominance 34) ABO blood type is an example of what type of inheritance? a) sex-linked inheritance b) autosomal inheritance c) codominance d) incomplete dominance 35) Widow's peak is a) sex-linked inheritance b) autosomal inheritance c) cedominance d) incomplete dominance 36) The presence...
0. In snapdragons, the alleles for flower color show incomplete dominance. CRCR produces red flowers; CWCW produces white flowers and CRCW produces pink flowers. The height of the plant is determined by a separate gene with regular dominant and recessive alleles. Normal height (D) is dominant over dwarf height (d). a. A snapdragon that is heterozygous normal in height and has white flowers is crossed with a plant that is dwarf in height and has red flowers. What is the...
8. Pea plant breeders wanted to pick healthy tall plants that were homozygous for the height gene. They had a collection of 10 plants that were healthy and tall, but the genotypes were unknown. How might they determine if the 10 tall plants were heterozygous or homozygous for the height gene? a. What genotypes are possible for tall pea plants? b. What cross would be most useful in distinguishing between homozygous and heterozygous tall plants? c. Explain the concept of...
15. The gene for petal color in a flower has incomplete dominance, so that individuals with two Al alleles (AIAI) are red, individuals with two A2 alleles (A2A2) are white, and individuals with one of each allele (A1A2) are pink. In a cross between a red flower and a white flower, what is the probability of getting a pink offspring? (2 points) In a cross between a red flower and a pink flower, what is the probability of getting a...
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