Question

Plant Genetics A peony plant with red petals was crossed with another plant having streaky petals. The probability that an offspring from this cross has red flowers is 0.75. Let X be the number of plants with red petals resulting from 100 seeds from this cross that were collected and germinated.

What is the exact probability distribution for X?

Answer #1

Exercise 1: Plant Genetics A peony plant with red petals was
crossed with another plant having streaky petals. The probability
that an offspring from this cross has red flowers is 0:75. Let X be
the number of plants with red petals resulting from 100 seeds from
this cross that were collected and germinated.
a. Is it appropriate to approximate the distribution using the
normal distribution? Explain Steps.
b. Use an appropriate method to find the approximate probability
that between 70...

Exercise 1: Plant Genetics A peony plant with red petals was
crossed with another plant having streaky petals. The probability
that an offspring from this cross has red flowers is 0.75. Let X be
the number of plants with red petals resulting from 100 seeds from
this cross that were collected and germinated.
What is the exact probability distribution for X?
Using ’Chart Builder’ on SPSS, plot a simple bar plot (using the
option ’Bar Style: Whisker’) for the
variable...

A peony plant with red petals was crossed with another plant
having streaky petals. A geneticist states that 70% of the
offspring resulting from this cross will have red flowers. To test
this, 80 seeds from this cross were collected and germinated and 46
plants had red petals.
(a) Is there sufficient evidence at the 0.02 significance level
to indicate the proportion of the hybrid plants with red petals
differs from 70%? Use the P-value method in your test.
(b)...

A peony plant with red petals was crossed with another plant
having streaky petals. A geneticist states that 80% of the
offspring resulting from this cross will have red petals. But based
on your experience, less than 80% of the offspring will have red
petals. So, to verify whether the geneticist claim is true or not,
you want to test the null hypothesis Ho: u = 0.80 by computing the
test statistics. You collected and germinated 120 seeds from this...

Part III: Non-Mendelian Genetics
1. In four-o’clock flowers red petals are incompletely
dominant over white petals, producing pink petal flowers in the
heterozygous stage. What would be the probability of having white
offspring if two pink flowered plants were crossed?
2. In humans, there are three alleles for blood
types, A = IA, B = IB, and O = i. Type A and B are co-dominant
alleles and type O is recessive. Could a man with type AB blood be...

Mendel crossed a pure breeding tall pea plant having red flowers
with a pure breeding short
pea plant having white flowers. All the F1 plants were tall with
red flowers. He then selfed the F1
plants and the F2 plants had new combination of traits. Using a
punnet square, show the
phenotypes and genotypes of the F2 plants.

A plant breeder crossed a red flowered hibiscus plant with a
yellow flowered hibiscus, and all of the offspring had orange
flowers.
a) Of what type of inheritance is this an example? Provide the
genotypes of the parents.
He then allowed the orange-flowered plants to
self-fertilize.
b) Create a Punnett square and predict the genotypes AND
phenotypes of the offspring from the orange-flowered plants.

Suppose you have a plant with petals that are normally blue.
Suddenly you see some white-petaled plants. Cross 1: You cross the
white with the blue and you get all an F1 population that is all
blue. In the F2 generation you see a ratio of 101:33 blue to
white-petaled plants. Another line of flowers shows pink petals.
Cross 2: You cross the pink with the blue and once again the F1
generation shows all plants with blue petals. However,...

Want the answers clearly please
Genetics - Worksheet #5
Incomplete Dominance / Codominance
Name _____________________________ Date___________
Class___
Show the cross and then answer the question for each problem.
(For your
answer use a different color, please)
1. In shorthorn cattle the gene for red coat color is not
dominant over that for white coat color.
The heterozygous condition produces a roan color. A breeder
has a white, red, and roan cows and bulls. What phenotypes can be
expected from the...

According to genetic theory, the blossom color in the second
generation of a certain cross of sweet peas should be red or white
in a 3:1 ratio. That is, each plant has probability 3/4 of having
red blossoms, and the blossom colors of separate plants are
independent.
a. What is the probability that exactly three out of four of
these plants have red blossoms?
b. What is the mean number of red-blossomed plants when 60
plants of this type are...

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