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Mating Between an Hfr and a female cell is least likely to result in?A. transfer of donor chromosomal DNAB. formation of a conjugal tube between the donor and recipient cellsC. duplication of donor DNA prior to transfer to the recipient D. transfer of fertility factor DNAE. recombination of transferred DNA into the recipient's chromosome

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Sixta Kovacek
Sixta KovacekLv2
28 Sep 2019
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Related questions

Select all of the TRUE statements. (Select all that apply.)

The direct movement of DNA between two bacteria of the samegeneration is called horizontal genetic transfer.

In conjugation, the strand of DNA that is transferred from thedonor cell to the recipient cell is single stranded.

The process of conjugation may introduce new genes into therecipient strain, altering its genotype.

A cell with an F factor integrated into the bacterial chromosomeis called F+.

An episome is a segment of bacterial DNA that can exist as aplasmid or be integrated into the bacterial chromosome.

During transformation, homologous recombination may occur if thesequence of the introduced DNA has no similarity to the hostDNA.

1. An occurrence of a gene made larger by trinucleotide repeats is:

Allelic expansion

Nucleotide expansion

Translocation mutation

Transformation

2. a chemical that can damage and/or change DNA is called a/an:

Allele

Endonuclease

Vector

Mutagen

3. An occurrence when a section of a chromosome relocates itself to an entirely different (non-homologous) chromosome is called a/an:

Inversion mutation

Translocation mutation

Transformation mutation

Duplication mutation

4. The tandem repeat in the sequence GGGAAGGGAAGGGAAGGGAAGGGAAG is:

GGA

GGGAA

GGAAG

GGAAGGG

A disease characterized by abnormally shaped hemoglobin is called:

Cystic Fibrosis

Sickle Cell Anemia

Marfan Syndrome

Leukemia

5. A point mutation that causes a substitution of a stop codon with an amino acid and leads to the formation of a longer protein is a:

Nonsense mutation

Missense mutation

Sense mutation

Frameshift mutation

6. Addition or deletion of nucleotides in a DNA sequence is known as a:

Nonsense mutation

Missense mutation

Sense mutation

Frameshift mutation

7. The least severe type of chromosomal mutation is:

Point

Frameshift

Inversion

Translocation

8. Chemicals inserting themselves into DNA can cause a:

Missense mutation

Nonsense mutation

Sense mutation

Frameshift mutation

9. A genetic condition caused by allelic expansion is:

Familial hypercholesterolemia

Fragile X syndrome

Alkaptonuria

Galactosemia

10. Which of the following is most likely the original DNA strand if the mutated DNA strand is ATAGUUGATGUA ?

ATAGAAGATGAA

ATAGCCGATGCA

ATAGGGGATGGA

ATAGTTGATGTA

11. An unbalanced chromosomal mutation would include a/an:

duplication (insertion)

inversion

translocation

denaturation

12. Many translocation mutations are found to be involved with:

cancers

sickle cell anemia

Huntington disease

cystic fibrosis

13. A common repeat throughout the human genome that is approximately 300 bases in length is called a/an:

EcoRI repeat

Hind repeat

Exo repeat

Alu repeat

14. A balanced chromosomal mutation includes:

imprintation

denaturation

inversion

deletion

1. One way of mapping bacterial genes relies on conjugation, during which DNA is transferred from an Hfr cell to an F- cell. If the rate at which the transfer proceeds increases, would the distance between genes as measured using conjugation:

A: increase for all gene pairs

B: decrease for all gene pairs

C: stay the same

D: increase only for gene pairs that are separated by a recombination hotspot

E: decrease only for gene pairs that are separated by a recombination hotspot

2. A common way in which virus vaccines are made is by introducing a mutation that makes the virus less virulent (i.e. that reduces the severity of infection) and exposing patients to that mutated virus. Which sort of mutation would it be safest to introduce to ensure that the virus cannot easily revert to its original, virulent state?

A: A point mutation

B: A deletion

C: A neutral mutation

D: A deleterious mutation

E: A frameshift mutation

PLEASE PLEASE PLEASE provide an explanation with clear details so I can make sense of it and follow along. Please be as clear as possible. PLEASE TRY TO INCLUDE EXPLANATIONS AS TO WHY EACH OTHER OPTION IS NOT CORRECT thank you!!

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