Mendel found that round (R) seed is dominant over wrinkled (r) seed, and yellow (G) seed...
Mendel found that round (R) seed is dominant over wrinkled (r) seed, and yellow (G) seed is dominant over green (g) seed. The following crosses were made between plants of known phenotypes but unknown genotypes:
a) Using the same symbols as defined above, list the genotypes of the parent plants in each cross.
1 round, yellow X round, yellow
2 round, yellow X round, yellow
3 round, yellow X wrinkled, green
b) Which of the above crosses is a testcross?
Homework Answers
If round seed ( R) is doinant over wrinkle seed (r), then both homozygous RR and heterozygous Rr will have round seed phenotype and rr will have wrinkle seed.
If yellow (G) seed is dominant over green (g) seed, then homozygous GG and heterozygous Gg both will display round seed phenotype and gg will green seed.
Thus the genotype of the parents are-
1. RRGG X RRGG
2. RrGg X RrGg or RrGg X RRGG
3. RRGG X rrgg or RrGg X rrgg
Among them 3 is a test cross. In a test cross individual with a domoínant phenotype will be crossed with recessive phenotpype individual.
Add Answer to:
Mendel found that round (R) seed is
dominant over wrinkled (r) seed, and
yellow (G) seed...
Deducting phenotypes and genotypes of selfed parents Mendel studied pea plants dihybrid for seed shape (round...
Deducting phenotypes and genotypes of selfed parents Mendel studied pea plants dihybrid for seed shape (round versus wrinkled) and seed color (yellow versus green). Recall that the round allele (R) is dominant to the wrinkled allele (r) and the yellow allele (Y) is dominant to the green allele (y). The table below shows the F1 progeny that result from selfing four different parent pea plants. Use the phenotypes of the F1 progeny to deduce the genotype and phenotype of each...
Mendel found that yellow pea pod color (G) was dominant to green pea pod color (g),...
Mendel found that yellow pea pod color (G) was dominant to green pea pod color (g), and that round seeds (W) were dominant to wrinkled seeds (w). What percentage of each of the phenotypes below are expected from the following cross? GGww x GgWw _____ Yellow and round _____ Yellow and wrinkled _____ Green and round _____ Green and wrinkled A. 0% B. 25% C. 33% D. 50% E. 66% F. 75% G. 100%
Considering the traits round (dominant) versus wrinkled (recessive) and yellow (dominant) versus green (recessive), determine the...
Considering the traits round (dominant) versus wrinkled (recessive) and yellow (dominant) versus green (recessive), determine the genotypes of the parental plants by analyzing the phenotypes of their offspring. Wrinkled yellow X round yellow = 6/16 wrinkled yellow, 2/16 wrinkled green, 6/16 round yellow, 2/16 round green.
Table 1: Mendel's Traits and Symbols for Pea Plants Traits Symbol Symbol Dominant Allele Round Yellow...
Table 1: Mendel's Traits and Symbols for Pea Plants Traits Symbol Symbol Dominant Allele Round Yellow Smooth Green Tall Axial Seed Shape Seed Color Pod Shape Pod Color Plant Height Flower Position S Recessive Allele Wrinkled Green Constricted Yellow Short Terminal а Refer back to Table 1 on the first pa abie 1 on the first page of this assignment to answer the following two questions. Use the appropriate symbols and phenotypes in your answer, 1. Show the genotypes of...
In this tutorial you will examine dihybrid crosses: crosses where alleles at separate loci assort independently...
In this tutorial you will examine dihybrid crosses: crosses
where alleles at separate loci assort independently into gametes at
meiosis. You will also use logic to determine unknown genotypes,
phenotypes, and genetic ratios from given data.
Part A - Deducing phenotypes and genotypes of selfed parents
Mendel studied pea plants dihybrid for seed shape (round versus
wrinkled) and seed color (yellow versus green). Recall that
the round allele (R) is dominant to the wrinkled allele
(r) and
the yellow allele...
5. In the garden pea, Mendel found that yellow seed color was dominant to green and...
5. In the garden pea, Mendel found that yellow seed color was dominant to green and that round seed shape was dominant to shrunken. What phenotypic ratio would be expected in the F2 generation from a cross of pure breeding yellow and round with pure breeding green and shrunken? What is the F2 ratio of yellow/round, yellow/shrunken, green/round, and green/ shrunken?
Part A - Deducing phenotypes and genotypes of selfed parents Mendel studied pea plants dihybrid for...
Part A - Deducing phenotypes and genotypes of selfed parents
Mendel studied pea plants dihybrid for seed shape (round versus
wrinkled) and seed color (yellow versus green). Recall that
the round allele (R) is dominant to the wrinkled allele
(r) and
the yellow allele (Y) is dominant to the green allele
(y).
The table below shows the F1 progeny that result from
selfing four different parent pea plants.
Use the phenotypes of the F1 progeny to deduce the
genotype and...
Mendel crossed peas having round seeds and yellow cotyledons (seed leaves) with peas having wrinkled seeds...
Mendel crossed peas having round seeds and yellow cotyledons (seed leaves) with peas having wrinkled seeds and green cotyledons. All the F1 plants had round seeds with yellow cotyledons. Based on this cross, what is the probability that an organism in the F2 generation will have round seeds and green cotyledons and NOT be true breeding? (Hint: Think carefully about what true breeding means in terms of genotype.)
Part B - Deducing genotypes of crossed parents A plant grown from a [round, yellow] seed...
Part B - Deducing genotypes of crossed parents A plant grown from a [round, yellow] seed is crossed with a plant grown from a [wrinkled, yellow] seed. This cross produces four progeny types in the F [round, yellow], [wrinkled, yellow], [round, green], and [wrinkled, green]. Use this information to deduce the genotypes of the parent plants. Indicate the genotypes by dragging the correct label to the appropriate location.
A plant grown from a [round, yellow] seed is crossed with a plant grown from a...
A plant grown from a [round, yellow] seed is crossed with a plant
grown from a [wrinkled, yellow] seed. This cross produces four
progeny types in the F1:
[round, yellow], [wrinkled, yellow], [round, green], and [wrinkled,
green].
Use this information to deduce the genotypes of the parent
plants.
Here is what the question looks like if that helps: All it is
asking for is the 2 parent genotypes but I'm not sure of the
answer... if someone can explain and...
Deducting phenotypes and genotypes of selfed parents Mendel studied pea plants dihybrid for seed shape (round versus wrinkled) and seed color (yellow versus green). Recall that the round allele (R) is dominant to the wrinkled allele (r) and the yellow allele (Y) is dominant to the green allele (y). The table below shows the F1 progeny that result from selfing four different parent pea plants. Use the phenotypes of the F1 progeny to deduce the genotype and phenotype of each...
Table 1: Mendel's Traits and Symbols for Pea Plants Traits Symbol Symbol Dominant Allele Round Yellow Smooth Green Tall Axial Seed Shape Seed Color Pod Shape Pod Color Plant Height Flower Position S Recessive Allele Wrinkled Green Constricted Yellow Short Terminal а Refer back to Table 1 on the first pa abie 1 on the first page of this assignment to answer the following two questions. Use the appropriate symbols and phenotypes in your answer, 1. Show the genotypes of...
In this tutorial you will examine dihybrid crosses: crosses
where alleles at separate loci assort independently into gametes at
meiosis. You will also use logic to determine unknown genotypes,
phenotypes, and genetic ratios from given data.
Part A - Deducing phenotypes and genotypes of selfed parents
Mendel studied pea plants dihybrid for seed shape (round versus
wrinkled) and seed color (yellow versus green). Recall that
the round allele (R) is dominant to the wrinkled allele
(r) and
the yellow allele...
5. In the garden pea, Mendel found that yellow seed color was dominant to green and that round seed shape was dominant to shrunken. What phenotypic ratio would be expected in the F2 generation from a cross of pure breeding yellow and round with pure breeding green and shrunken? What is the F2 ratio of yellow/round, yellow/shrunken, green/round, and green/ shrunken?
Part A - Deducing phenotypes and genotypes of selfed parents
Mendel studied pea plants dihybrid for seed shape (round versus
wrinkled) and seed color (yellow versus green). Recall that
the round allele (R) is dominant to the wrinkled allele
(r) and
the yellow allele (Y) is dominant to the green allele
(y).
The table below shows the F1 progeny that result from
selfing four different parent pea plants.
Use the phenotypes of the F1 progeny to deduce the
genotype and...
Part B - Deducing genotypes of crossed parents A plant grown from a [round, yellow] seed is crossed with a plant grown from a [wrinkled, yellow] seed. This cross produces four progeny types in the F [round, yellow], [wrinkled, yellow], [round, green], and [wrinkled, green]. Use this information to deduce the genotypes of the parent plants. Indicate the genotypes by dragging the correct label to the appropriate location.
A plant grown from a [round, yellow] seed is crossed with a plant
grown from a [wrinkled, yellow] seed. This cross produces four
progeny types in the F1:
[round, yellow], [wrinkled, yellow], [round, green], and [wrinkled,
green].
Use this information to deduce the genotypes of the parent
plants.
Here is what the question looks like if that helps: All it is
asking for is the 2 parent genotypes but I'm not sure of the
answer... if someone can explain and...
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