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Name: If the following cross occurred AAbb x aaBB, what is the probability o
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Description: If the following cross occurred AAbb x aaBB, what is the probability of getting an offspring that is heterozygous for both alleles?Select one:a.6.25%b.100%c.3/16d.25%e.9/16

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Biology

If the following cross occurred AAbb x aaBB, what is the probability of getting an offspring that is heterozygous for both alleles? Select one

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter13: Patterns In Inherited Traits

Section: Chapter Questions

Problem 9SA: Assuming complete dominance, crosses between two dihybrid F1 pea plant, which are offspring from a...

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In which kind of cross would you expect to find two different kinds of ratios among the offspring, either 1:1 or 1:1:1:1? A)testcross B)none of the choices is correctC) monohybrid cross
In the shorthorn breed of cattle, The red and white coat colors are codominant with each other with the resulting hit rosagas condition being roan. A breeder has some white, some Roan, and some red cattle (female) And only one round bull (male). A. What color cow would be bread to the ro bowl to guarantee the best chance of having white offspring? B. What is the probability of a red cow cross with the Roan bull resulting in a white half? explain by using parent and possible offspring genotypes. C. What is one possible way that the farmer can guarantee having over red offspring by going outside of his breeding stock? Explain by using parent and possible offspring genotypes.
Assuming a typical monohybrid cross in which one allele is completely dominant to the other, what ratio is expected if the F1's are crossed?
In pea plants, tall (T) is dominant to dwarf (t) and yellow (Y) is dominant to green (y). In a cross of true-breeding tall yellow peas x dwarf green peas, what proportion of the progeny are tall with yellow peas? a. 25% b. 50% c. 75% d. 100%
. Which of the following terms is used to describe the offspring of a cross of two true-breeding parents that differ in one or more traits? A) Hybrid B) Pure line C) Homozygous D) Reciprocal
In a mendelian monohybrid cross, which generation is always completely heterozygous?A) F2 generationB)F1 GenerationC) F3 generation D) P generation
A heterozygous individual is crossed with a homozygous recessive individual. a. Draw a Punnett square to represent this cross. b. What is the probability that an offspring will have a homozygous genotype? c. What is the probability that an offspring will have a dominant phenotype? d. What is the probability that three offspring will be produced that all carry the recessive allele but do not express the recessive phenotype?
In which kind of cross would you expect to find a ratio of 9:3:3:1 among the F2 offspring? A)None of the choices is correctB)testcrossC)dihybrid crossD)monohybrid cross
In a cross of AA bb x aa BB, how frequent would the AA bb genotype be among the F2 offspring? In a cross of AA BB x aa bb, what fraction of F2s would display dominant phenotypes for both traits? Assume that A is completely dominant over a and B is completely dominant over b.
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.
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.
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.