Question 5 What proportions of the progeny of the following crosses, in which allele pairs are...
Question 5
What proportions of the progeny of the following crosses, in which
allele pairs are assorting
independently, will be homozygous? 1) AaBb x AaBb. 2) AaBbCC x
AABBcc. 3) aabbcc x AAbbCC.
Show your calculations or reasoning.
Homework Answers
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Question 5
What proportions of the progeny of the following crosses, in which
allele pairs are...
1. What is the probability that each of the following pairs of parents will produce the...
1. What is the probability that each of the following pairs of parents will produce the indicated offspring? Assume independent assortment of all gene pairs. Hint: remember to do the calculations for each allele separately. For example, what is the probability that AA x aa will produce Aa? A. What is the probability that a cross of a being s with genotypes AA and aa (AA x aa) producing a child with the following genotypes? (Use fractions!) AA aa Aa...
12. Imagine a cross between AaBb x aabb produces progeny in the following proportions: | AaBb...
12. Imagine a cross between AaBb x aabb produces progeny in the following proportions: | AaBb 31 aabb | 33. Aabb | 12 aaBb] 13 Based on this information, are genes A and B linked, or do they assort independently (Chi-square test)? IF linked, what is the genetic distance between A and B? Are gene A and B in coupling (cis) or repulsion (trans) conformation in the AaBb parent? How can you tell?
With regards to maternal effect genes, which of the following crosses would produce defective progeny? +...
With regards to maternal effect genes, which of the following crosses would produce defective progeny? + = functioning allele, m = recessive maternal effect mutation. Select ALL that are correct. +/m male x +/m female +/m male x m/m female +/+male x m/m female m/m male x +/m female none of the above would produce defective progeny
QUESTION 28 If genes on the same chromosome behave as if they are independently assorting, they...
QUESTION 28 If genes on the same chromosome behave as if they are independently assorting, they must be very close to 3.3 poin one another tortrom QUESTION 29 In Thomas Hunt Morgan's F1 test crosses, what percentage of parental-type offspring were produced in the F2 generation? 89% 3.3 points 16% 25% 50% QUESTION 30 3.3 points A cross made between a plant that is Aalb and one that is aabb results in progeny that it into approximately equal numbers of...
please help NOT QUESTION 2 NOT QUESTION 4 1. The growth responses in the following chart...
please help NOT QUESTION 2
NOT
QUESTION 4
1. The growth responses in the following chart were obtained by growing four mutant strains of Neurospora on different media, each containing one of our related compounds. A B C and all of which are precursors to product C. All mutants require product C for growth Precursor/Product B Mucation A cate which shep Show a simple near biosynthetic pathway of the four precursors and the end product blocked by each of the...
Please help with a through d. Much appreciated! The following example illustrates how both principles of...
Please help with a through d. Much appreciated!
The following example illustrates how both principles of probability can be combined to solve problems in genetics. Probability can also be a useful tool in predicting the results of dihybrid and trihybrid matings For example, in mating AaBb x AaBb, one would expect 1/4 of the progeny to be AA, 2/4 Aa, and 1/4 aa, or 3/4 A- to 1/4 aa. Likewise, 1/4 should be BB, 2/4 Bb, and 1/4 bb, or...
6. In goats, beards are produced by an autosomal allele that is expressed differently in males...
6. In goats, beards are produced by an autosomal allele that is expressed differently in males and females: The bearded allele (Bº) is dominant over the beardless allele (B") in males, but recessive in females. Therefore, males only need one copy of the bearded allele to be bearded, but females need two copies of the bearded allele to be bearded. Another independently assorting autosomal allele determines coat color: black coat (L) is completely dominant over white coat (1). For each...
multiple choice questions: 1- What fraction of the progeny will show a recessive phenotype for just...
multiple choice questions: 1- What fraction of the progeny will show a recessive phenotype for just one gene in a cross between AaBbCc x AaBbCc? A. 7/16 B. 9/64 C. ¼ D. 27/64 E. 26/64 2- Siblings share what percentage of their alleles? A. ½ B. ¼ C. 1/8 D. 1/10 E. 1/16 3- In a heterozygote, one allele conceals the presence of another. This is Mendel's: A. principle of segregation. B. principle of independent assortment. C. principle of dominance....
6. In guinea pigs, it is hypothesized that the allele L governs short hair and its...
6. In guinea pigs, it is hypothesized that the allele L governs short hair and its recessive allele / governs long hair. Codominant alleles at an independently assorting locus are hypothesized to govern hair color such that CC = yellow, CYCW = cream, and CWCW = white. From the cross LI CYCW X LI CYCw the following progeny were obtained: 50 short cream 21 short yellow 23 short white 21 long cream 7 long yellow 6 long white. Are the...
how do you solve this? With regards to maternal effect genes, which of the following crosses...
how do you solve this?
With regards to maternal effect genes, which of the following crosses would produce defective progeny? + = functioning allele, m = recessive maternal effect mutation. Select ALL that are correct. m/m male x +/m female none of the above would produce defective progeny +/m male x +/m female +/+male x m/m female +/m male x m/m female
12. Imagine a cross between AaBb x aabb produces progeny in the following proportions: | AaBb 31 aabb | 33. Aabb | 12 aaBb] 13 Based on this information, are genes A and B linked, or do they assort independently (Chi-square test)? IF linked, what is the genetic distance between A and B? Are gene A and B in coupling (cis) or repulsion (trans) conformation in the AaBb parent? How can you tell?
With regards to maternal effect genes, which of the following crosses would produce defective progeny? + = functioning allele, m = recessive maternal effect mutation. Select ALL that are correct. +/m male x +/m female +/m male x m/m female +/+male x m/m female m/m male x +/m female none of the above would produce defective progeny
QUESTION 28 If genes on the same chromosome behave as if they are independently assorting, they must be very close to 3.3 poin one another tortrom QUESTION 29 In Thomas Hunt Morgan's F1 test crosses, what percentage of parental-type offspring were produced in the F2 generation? 89% 3.3 points 16% 25% 50% QUESTION 30 3.3 points A cross made between a plant that is Aalb and one that is aabb results in progeny that it into approximately equal numbers of...
please help NOT QUESTION 2
NOT
QUESTION 4
1. The growth responses in the following chart were obtained by growing four mutant strains of Neurospora on different media, each containing one of our related compounds. A B C and all of which are precursors to product C. All mutants require product C for growth Precursor/Product B Mucation A cate which shep Show a simple near biosynthetic pathway of the four precursors and the end product blocked by each of the...
Please help with a through d. Much appreciated!
The following example illustrates how both principles of probability can be combined to solve problems in genetics. Probability can also be a useful tool in predicting the results of dihybrid and trihybrid matings For example, in mating AaBb x AaBb, one would expect 1/4 of the progeny to be AA, 2/4 Aa, and 1/4 aa, or 3/4 A- to 1/4 aa. Likewise, 1/4 should be BB, 2/4 Bb, and 1/4 bb, or...
6. In goats, beards are produced by an autosomal allele that is expressed differently in males and females: The bearded allele (Bº) is dominant over the beardless allele (B") in males, but recessive in females. Therefore, males only need one copy of the bearded allele to be bearded, but females need two copies of the bearded allele to be bearded. Another independently assorting autosomal allele determines coat color: black coat (L) is completely dominant over white coat (1). For each...
6. In guinea pigs, it is hypothesized that the allele L governs short hair and its recessive allele / governs long hair. Codominant alleles at an independently assorting locus are hypothesized to govern hair color such that CC = yellow, CYCW = cream, and CWCW = white. From the cross LI CYCW X LI CYCw the following progeny were obtained: 50 short cream 21 short yellow 23 short white 21 long cream 7 long yellow 6 long white. Are the...
how do you solve this?
With regards to maternal effect genes, which of the following crosses would produce defective progeny? + = functioning allele, m = recessive maternal effect mutation. Select ALL that are correct. m/m male x +/m female none of the above would produce defective progeny +/m male x +/m female +/+male x m/m female +/m male x m/m female
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