Genetics and Developmental Biology

What term is used to describe the phenomenon in which a bacteriophage genome inc

What term is used to describe the phenomenon in which a bacteriophage genome inc

What term is used to describe the phenomenon in which a bacteriophage genome incorporates its genome into the chromosome of the host?

colleen   616   3 Replies

colleen

Bacteriophages that cannot undergo lysogeny but can infect bacteria are called _

Bacteriophages that cannot undergo lysogeny but can infect bacteria are called _

Bacteriophages that cannot undergo lysogeny but can infect bacteria are called ________.

colleen   1282   3 Replies

colleen

What is a bacteriophage?

What is a bacteriophage?

What is a bacteriophage?

colleen   473   3 Replies

colleen

What is meant by the term cotransformation?

What is meant by the term cotransformation?

What is meant by the term cotransformation?

colleen   638   3 Replies

colleen

Distinguish between F+ and F- bacteria.

Distinguish between F+ and F- bacteria.

Distinguish between F+ and F- bacteria.

colleen   635   3 Replies

savio

Assume that the gene trpA in an auxotrophic strain of E. Coli is located at 27 m

Assume that the gene trpA in an auxotrophic strain of E. Coli is located at 27 m

Assume that the gene trpA in an auxotrophic strain of E. Coli is located at 27 minutes,whereas the gene pyrE is located at 81 minutes.

colleen   714   3 Replies

savio

Jacob, Wollman, and others developed a linkage map of E. Coli that is based on t

Jacob, Wollman, and others developed a linkage map of E. Coli that is based on t

Jacob, Wollman, and others developed a linkage map of E. Coli that is based on time. What form of recombination is involved in generating a linkage map based on time?

colleen   680   3 Replies

savio

What is a merozygote?

What is a merozygote?

What is a merozygote?

colleen   278   3 Replies

savio

In what way was the interrupted mating technique used to generate a genetic map

In what way was the interrupted mating technique used to generate a genetic map

In what way was the interrupted mating technique used to generate a genetic map in E. Coli based on time?

colleen   520   3 Replies

savio

Explain the composition and use of minimal medium in the study of bacterial gene

Explain the composition and use of minimal medium in the study of bacterial gene

Explain the composition and use of minimal medium in the study of bacterial genetics.

colleen   548   3 Replies

savio

Name the typical phases of the bacterial growth cycle in liquid culture medium.

Name the typical phases of the bacterial growth cycle in liquid culture medium.

Name the typical phases of the bacterial growth cycle in liquid culture medium.

colleen   1456   3 Replies

savio

In general, what two methods are used to grow bacteria in the laboratory?

In general, what two methods are used to grow bacteria in the laboratory?

In general, what two methods are used to grow bacteria in the laboratory? 

colleen   348   3 Replies

savio

What are prototrophs?

What are prototrophs?

What are prototrophs?

colleen   516   3 Replies

colleen

How does an auxotroph differ from a prototroph?

How does an auxotroph differ from a prototroph?

How does an auxotroph differ from a prototroph?

colleen   436   3 Replies

savio

What advantage does BrdU (bromodeoxyuridine) have in the study of chromosome str

What advantage does BrdU (bromodeoxyuridine) have in the study of chromosome str

What advantage does BrdU (bromodeoxyuridine) have in the study of chromosome structure and recombination?

colleen   337   3 Replies

savio

Two lines of work indicated that crossing over actually involves breakage and re

Two lines of work indicated that crossing over actually involves breakage and re

Two lines of work indicated that crossing over actually involves breakage and reunion of chromatid material. What organisms were involved, and who did the work?

colleen   534   3 Replies

savio

What are two commonly used DNA landmarks for mapping human genes?

What are two commonly used DNA landmarks for mapping human genes?

What are two commonly used DNA landmarks for mapping human genes?

colleen   1218   3 Replies

savio

If interference is complete, what is the frequency of double crossovers?

If interference is complete, what is the frequency of double crossovers?

If interference is complete, what is the frequency of double crossovers?

colleen   814   3 Replies

savio

The coefficient of coincidence reflects the frequency of observed double crossov

The coefficient of coincidence reflects the frequency of observed double crossov

The coefficient of coincidence reflects the frequency of observed double crossovers compared to the frequency of expected double crossovers. What is the relationship between the coefficient of coincidence and interference?

colleen   353   3 Replies

savio

Describe a convenient method for determining gene order from three-point cross r

Describe a convenient method for determining gene order from three-point cross r

Describe a convenient method for determining gene order from three-point cross results.

colleen   1215   3 Replies

savio

(a) In a three-point mapping experiment, which three general classes of offsprin

(a) In a three-point mapping experiment, which three general classes of offsprin

(a) In a three-point mapping experiment, which three general classes of offspring are expected (assuming crossovers occur)? (b) How many different genotypic classes are expected?

colleen   1473   3 Replies

savio

Three loci, mitochondrial malate dehydrogenase that forms a and b (MDHa, MDHb),

Three loci, mitochondrial malate dehydrogenase that forms a and b (MDHa, MDHb),

Three loci, mitochondrial malate dehydrogenase that forms a and b (MDHa, MDHb), glucouronidase that forms 1 and 2 (GUS1, GUS2), and a histone gene that forms + and -  (H+, H-) are located on chromosome 7 in humans. Assume that the MDH  locu

colleen   1180   3 Replies

savio

Assume that a cross is made between AaBb and aabb plants and that the offspring

Assume that a cross is made between AaBb and aabb plants and that the offspring

Assume that a cross is made between AaBb and aabb plants and that the offspring occur in the following numbers: 106 AaBb, 48 Aabb, 52 aaBb, 94 aabb. These results are consistent with which arrangement of genes?

colleen   1789   3 Replies

savio

Assume that investigators crossed a strain of flies carrying the dominant eye mu

Assume that investigators crossed a strain of flies carrying the dominant eye mu

Assume that investigators crossed a strain of flies carrying the dominant eye mutation Lobe on the second chromosome with a strain homozygous for the second chromosome recessive mutations smooth abdomen and straw body. The F1 Lobe females were then b

colleen   1021   3 Replies

savio

Assume that the genes for tan body and bare wings are 15 map units apart on chro

Assume that the genes for tan body and bare wings are 15 map units apart on chro

Assume that the genes for tan body and bare wings are 15 map units apart on chromosome II in Drosophila. Assume also that a tan-bodied, bare-winged female was mated to a wild-type male and that the resulting F1 phenotypically wild-type females were m

colleen   1691   3 Replies

savio

Assume that there are 12 map units between two loci in the mouse and that you ar

Assume that there are 12 map units between two loci in the mouse and that you ar

Assume that there are 12 map units between two loci in the mouse and that you are able to microscopically observe meiotic chromosomes in this organism. If you examined 200 primary oocytes, in how many would you expect to see a chiasma between the two

colleen   2213   3 Replies

savio

The genes for mahogany eyes and ebony body are approximately 25 map units apart

The genes for mahogany eyes and ebony body are approximately 25 map units apart

The genes for mahogany eyes and ebony body are approximately 25 map units apart on chromosome III in Drosophila. Assume that a mahogany-eyed female was mated to an ebony-bodied male and that the resulting F1 phenotypically wild-type females were mate

colleen   1380   3 Replies

savio

What is the relationship between the degree of crossing over and the distance be

What is the relationship between the degree of crossing over and the distance be

What is the relationship between the degree of crossing over and the distance between two genes?

colleen   384   3 Replies

savio

Under what circumstance might two loci be on the same chromosome but behave as i

Under what circumstance might two loci be on the same chromosome but behave as i

Under what circumstance might two loci be on the same chromosome but behave as if independently assorting in crosses?

colleen   1567   3 Replies

savio

The trait for medium-sized leaves in iris is determined by the genetic condition

The trait for medium-sized leaves in iris is determined by the genetic condition

The trait for medium-sized leaves in iris is determined by the genetic condition PP'. Plants with large leaves are PP, whereas plants with small leaves are P'P'. The trait for red flowers is controlled by the genes RR, pink by RR'

colleen   1408   3 Replies

Jim Ho

The trait of medium-sized leaves in iris is determined by the genetic condition

The trait of medium-sized leaves in iris is determined by the genetic condition

The trait of medium-sized leaves in iris is determined by the genetic condition PP'. Plants with large leaves are PP, whereas plants with small leaves are P'P'. A cross is made between two plants each with medium-sized leaves. If they

colleen   1716   3 Replies

jocelyn cuaresma

How many kinds of gametes will be expected from an individual with the genotype

How many kinds of gametes will be expected from an individual with the genotype

How many kinds of gametes will be expected from an individual with the genotype PpCcTTRr?

colleen   1762   3 Replies

Wang Hei TO

Under what conditions does one expect a 9:3:3:1 ratio?

Under what conditions does one expect a 9:3:3:1 ratio?

Under what conditions does one expect a 9:3:3:1 ratio?

colleen   335   3 Replies

Daniel Dumon

Tightly curled hair is caused by a dominant autosomal gene in humans. If a heter

Tightly curled hair is caused by a dominant autosomal gene in humans. If a heter

Tightly curled hair is caused by a dominant autosomal gene in humans. If a heterozygous curly-haired person marries a person with straight hair, what phenotypes (and in what proportions) are expected in the offspring? 

colleen   948   3 Replies

Currier

shows the inheritance of a rare, autosomal recessive condition?

shows the inheritance of a rare, autosomal recessive condition?

Hey everyone, i'm confused on row III on how 2 and 3 are not heterozygous carriers, does it mean that since you don't know what the father is who is more then likely to be RR homozygous due to it being a rare inheritance, do we have to conc

fodog414   869   3 Replies

bio_man

Assume that in a series of experiments, plants with round seeds were crossed wit

Assume that in a series of experiments, plants with round seeds were crossed wit

Assume that in a series of experiments, plants with round seeds were crossed with plants with wrinkled seeds and the following offspring were obtained: 220 round and 180 wrinkled.

(a) What is the most probable genotype of each parent?

colleen   1820   3 Replies

kjqbwejiqwbe_12

Assume that an organism has a diploid chromosome number of 6. Two chromosomal pa

Assume that an organism has a diploid chromosome number of 6. Two chromosomal pa

Assume that an organism has a diploid chromosome number of 6. Two chromosomal pairs are telocentric, and the other pair is metacentric. Assume that the sex chromosomes are morphologically identical. Draw chromosomes as you would expect them to appear

colleen   1670   3 Replies

colleen

What is meant by the term genome?

What is meant by the term genome?

What is meant by the term genome?

colleen   496   3 Replies

colleen

What term refers to the similarity between parents and offspring, and what term

What term refers to the similarity between parents and offspring, and what term

What term refers to the similarity between parents and offspring, and what term refers to the lack of similarity between parents and offspring?

colleen   1303   3 Replies

monicadelgado

DNA vs RNA

DNA vs RNA

A scientist wants to perform a test that will indicate whether a nucleic acid sample is composed of RNA or DNA. Testing for the presence of which of the following is most appropriate for this situation: A) phosphate; B) nitrogen;     

toshiromafu   1308   3 Replies

connorp