Some individuals may appear to be women, but their genotype can be XY. a) This can...
Some individuals may appear to be women, but their genotype can be XY.
a) This can happen if the gene for the androgen receptor has a mutation
b) If the individual is haploid instead of diploid
c) This cannot happen
Homework Answers
Ans. (a)This can happen if gene for androgen receptor has a mutation . This results in complete androgen sensitivity syndrome and hormone therapy can provide solution .
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Some individuals may appear to be women, but their genotype can
be XY.
a) This can...
17. In a simple monohybrid cross the individuals of 100% known genotype in the F2 offspring,...
17. In a simple monohybrid cross the individuals of 100% known genotype in the F2 offspring, are which of these? a) the heterozygous individuals b) the homozygous dominant individuals c) the homozygous recessive individuals d) you could not determine the geneotype of any offspring without performing additional tests. 18. If an individual contains two alleles for a particular gene and the two alleles are different from each other, the individual is said to be: a) homozygous dominant b) homozygous recessive...
Mutations are the ultimate source of genetic variation. However, they usually occur at very low frequency....
Mutations are the ultimate source of genetic variation. However, they usually occur at very low frequency. Assume a mutation resulting in a novel allele occurs in a gene of one individual in a population of 500 diploid individuals. The allele does not affect the fitness of the individual carrying the mutation. How long will it take for the allele to reach a frequency of 0.5 in the population? A. It cannot reach a frequency of 0.5. It will eventually reach...
Please make sure to explain thoroughly. I need to master concepts. Thumbs up will be given!...
Please make sure to explain thoroughly. I need to master
concepts. Thumbs up will be given!
9. Zoe is heterozygous for both an X-linked mutation that causes hemophilia and for a lethal X-linked mutation in a gene whose product is essential in every cell (every cell expressing this mutation will die). These two deleterious mutations are located on the same X (the other X is wild type for these genes). a. Do you expect Zoe to have more sons or...
1. Describe two kinds of recombination in eukaryotes. True of False 2._____ A recessive phenotype can...
1. Describe two kinds of recombination in eukaryotes. True of False 2._____ A recessive phenotype can be expressed by some progeny of a monohybrid cross. 3._____ Epistatic genes may result from dominant or recessive alleles. 4._____ At a single locus, a diploid individual may have more than two different alleles. 5. _____ A temperature-sensitive allele is an example of a genotype x environment interaction. 6. _____ All of the genetic material in a eukaryotic cell is found in the nucleus....
Human Development-Sex Variations Individuals may acquire chromosomal sex variations, where the number and typ...
Human Development-Sex Variations Individuals may acquire chromosomal sex variations, where the number and type of sex chromosomes are not average. A list of some of these variations is below. For each one, predict if the zygote would be assigned male or female or intersex at birth. Later, compare your predictions to the actual phenotypes. Zygote Phenotype Predicted Sex Sex Chromosomes Chromosomes in Gametes Sperm Egg XY Y X xX X X XO X none XYY X YY XX Y XXY...
7. Tra diploid organism has the genotype AABh, what% of its gametes would you expect to...
7. Tra diploid organism has the genotype AABh, what% of its gametes would you expect to have the genotype A (assume that A/a locus and B/blocus are found on different chromosomes)? a) 1598 b) 2596 c) 5096 d) 7546 8. Phenylketonuria is an inherited human genetic disorder resulting from a mutation to the PAH gene. Individuals with mutant forms of the PAW gene exhibit leaming deficits, abnormal skin pigmentation, as well as heart problems. This is an example of: a)...
need help with question 2, 4, 6 a.&b. 2. For a (fictitious) haploid fungus, the starting...
need help with question 2, 4, 6 a.&b.
2. For a (fictitious) haploid fungus, the starting point in the biosynthesis of the amino acid arginine is Compound X, which is always present in, and absorbed from the environment. The arginine biosynthetic pathway is: Enzyme B → Compound Y Compound z Enzyme C Compound X Enzyme A arginine A mutant strain of genotype a (lacking enzyme A) is crossed to a mutant strain of genotype c (lacking enzyme C). What proportion...
1, If alternative splicing was not available, what impact would this have? Individuals would need more...
1, If alternative splicing was not available, what impact would this have? Individuals would need more DNA to code for proteins Individuals would need less DNA to code for proteins Individuals would not be able to make different proteins from the same sequence of DNA Both A and C None of the above 2, An individual has a mutation that adds one base to the sequence of DNA. What type of mutation is this most likely to cause? Silent Mis-Sense...
The yeast Saccharomyces cerevisiae can grow as haploid or diploid cells. You have two haploid yeast...
The yeast Saccharomyces cerevisiae can grow as haploid or diploid cells. You have two haploid yeast strains that each carry recessive mutations that affect regulation of the genes required for galactose metabolism. One strain has a deletion of the region of the genome on chromosome II that lies between the GAL1 and GAL10 genes (deltaUAS). The other strain carries a mutant allele of the GAL80 gene on chromosome XIII that produces no functional GAL80 protein. Which of the following correctly...
D) A and B only E) A, B, and C 25. Which of the following statements...
D) A and B only E) A, B, and C 25. Which of the following statements are TRUE? A) It is possible for some individuals with the sex chromosome constitution XY to appear female. B) It is possible for some individuals with the sex chromosome constitution XX to appear male. C) It is possible for some individuals with the sex chromosome constitution XXY to appear female. D) All of the above are FALSE statements. E) All of the above are...
Please make sure to explain thoroughly. I need to master
concepts. Thumbs up will be given!
9. Zoe is heterozygous for both an X-linked mutation that causes hemophilia and for a lethal X-linked mutation in a gene whose product is essential in every cell (every cell expressing this mutation will die). These two deleterious mutations are located on the same X (the other X is wild type for these genes). a. Do you expect Zoe to have more sons or...
Human Development-Sex Variations Individuals may acquire chromosomal sex variations, where the number and type of sex chromosomes are not average. A list of some of these variations is below. For each one, predict if the zygote would be assigned male or female or intersex at birth. Later, compare your predictions to the actual phenotypes. Zygote Phenotype Predicted Sex Sex Chromosomes Chromosomes in Gametes Sperm Egg XY Y X xX X X XO X none XYY X YY XX Y XXY...
7. Tra diploid organism has the genotype AABh, what% of its gametes would you expect to have the genotype A (assume that A/a locus and B/blocus are found on different chromosomes)? a) 1598 b) 2596 c) 5096 d) 7546 8. Phenylketonuria is an inherited human genetic disorder resulting from a mutation to the PAH gene. Individuals with mutant forms of the PAW gene exhibit leaming deficits, abnormal skin pigmentation, as well as heart problems. This is an example of: a)...
need help with question 2, 4, 6 a.&b.
2. For a (fictitious) haploid fungus, the starting point in the biosynthesis of the amino acid arginine is Compound X, which is always present in, and absorbed from the environment. The arginine biosynthetic pathway is: Enzyme B → Compound Y Compound z Enzyme C Compound X Enzyme A arginine A mutant strain of genotype a (lacking enzyme A) is crossed to a mutant strain of genotype c (lacking enzyme C). What proportion...
D) A and B only E) A, B, and C 25. Which of the following statements are TRUE? A) It is possible for some individuals with the sex chromosome constitution XY to appear female. B) It is possible for some individuals with the sex chromosome constitution XX to appear male. C) It is possible for some individuals with the sex chromosome constitution XXY to appear female. D) All of the above are FALSE statements. E) All of the above are...
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