Genetics and Developmental Biology

3 questions some are attached please answer all I NEED IT NOW THANKS

3 questions some are attached please answer all I NEED IT NOW THANKS

1) See first image 
Identify the phase(s) from the image above that best illustrates each of the following stages of mitosis AND include your explanation of why. (2 marks).

a. Interphase
b. Prophase
c. Metaphase

Anonymous   481   4 Replies

Noa Mastin

DNA changes with age. Predictable?

DNA changes with age. Predictable?

Are all DNA damages and mutations random, or do they follow a predictable pattern with age?

CarbonRobot   319   3 Replies

bio_man

Dideoxynucleotide DNA sequencing (Mastering Genetics)

Dideoxynucleotide DNA sequencing (Mastering Genetics)

The diagram below shows an autoradiograph of a DNA sequencing gel.

Type the 5' to 3' sequence of the template strand (“inferred strand”) based on the pattern in this gel. Use only capital letters for the sequence.

mmurt13   11514   7 Replies

Poliann Flores

Calculating probabilities in pedigrees

Calculating probabilities in pedigrees

Individuals III-3 and III-4 are expecting their first child when they become aware that they both have a family history of this recessive condition. As their genetic counselor, you can calculate the probability that they are carriers and that their c

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jessiijessii   60843   19 Replies

Emilia Diaz

) Mexican hairless dogs are heterozygous (Hh), carrying a single copy of the dom

) Mexican hairless dogs are heterozygous (Hh), carrying a single copy of the dom

) Mexican hairless dogs are heterozygous (Hh), carrying a single copy of the dominant lethal allele. In a given population, the Hh genotypic frequency is 60% and the frequency of each homozygote is 20%. Assuming w = 1 for the Hh and hh dogs, what is

mikael   1633   10 Replies

padre

Identify which pattern(s) of transmission is/are impossible.

Identify which pattern(s) of transmission is/are impossible.

Identify which pattern(s) of transmission is/are impossible. Specify why transmission is impossible. (AD = autosomal dominant, AR = autosomal recessive, XR = X-linked recessive, XD = X-linked dominant)

srmtrc   2321   6 Replies

LookshaC4

Race is to ethnicity as:

Race is to ethnicity as:

Race is to ethnicity as:

   A.   
individualism is to collectivism.
   B.   
biological is to cultural.
   C.   
nurture is to nature.
   D.   
theoretical research is to applied research.

angie21   559   1 Reply

bolbol

Write the genotype including chromosomes relevant to the cross

Write the genotype including chromosomes relevant to the cross

Example of Balancer chromosomes utilization in crosses

Example: create double mutant stock starting from the following 3 stocks:
mut A  / mut A    (II chromosome)
mut C / mut C    (III chromosome)
I

hac1   1145   6 Replies

Mo097utb

How do bacteria regulate transcription of these operons? (Mastering Genetics)

How do bacteria regulate transcription of these operons? (Mastering Genetics)

The question is about regulation of model operons.
The trp and lac operons are regulated in various ways. How do bacteria regulate transcription of these operons?
Sort the statements into the appropriate bins depending on whether or not eac

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KC53   37369   15 Replies

Helen91

13 QUESTIONS I NEED IT TODAY ANSWER ALL IF YOU WANT PLEASE

13 QUESTIONS I NEED IT TODAY ANSWER ALL IF YOU WANT PLEASE

1) What is the first process in protein synthesis that is affected by a missense mutation?

a. None of the above

b. Translation

c. Replication

d. Transcription

Anonymous   330   4 Replies

Carolina Castillo2

4 QUESTIONS PLEASE ANSWER ALL I DONT HAVE MORE CREDITS AND I NEED IT TODAY

4 QUESTIONS PLEASE ANSWER ALL I DONT HAVE MORE CREDITS AND I NEED IT TODAY

1) The longest phase of the cell cycle is Answer  and the shortest is Answer.

POSSIBLE ANSWERS: INTERPHASE,PROPHASE, METAPHASE,ANAPHASE, TELOPHASE, CYTOKINESIS







2) SEE IMAGE ATTACED

Anonymous   223   2 Replies

Carolina Castillo2

The ABO and MN blood groups are given below for four sets of parents (1 to 4) an

The ABO and MN blood groups are given below for four sets of parents (1 to 4) an

The ABO and MN blood groups are given below for four sets of parents (1 to 4) and four children (a to d). Recall that the ABO blood group has three alleles, IA, IB, and i. The MN blood group has two codominant alleles, M and N.

Using your

heathtalon   6109   5 Replies

Jk An

Viable human DNA?

Viable human DNA?

How much do biologists know which DNA sequences would create a viable human being?

CarbonRobot   271   5 Replies

Anonymous

Intestinal stem cell overproliferation

Intestinal stem cell overproliferation

Intestinal stem cell overproliferation (ISCO) is a condition found in several human populations. The concentration of the Isco protein in intestinal cells (these include the stem cells that reside in the inner region of the tube) is higher in ISCO in

12

fan198   527   18 Replies

Anonymous

About plant mutation

About plant mutation

The original strain (wild type; WT) and two mutant strains of plant X are available, mutant A (mutA) and mutant B (mutB). Dr. Mishima started Experiment 2 with all three strains growing together in a flower bed. The seeds for all three strains are “t

12

fan198   594   17 Replies

Anonymous

Species-accumulation curves

Species-accumulation curves

PICTURES ARE ATTACHED:
Q9. Examine the following statements about species-accumulation curves and check all that are true.
a-Accumulation curves are used to estimate local or alpha diversity.
b-Accumulation curves increase linearly as

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gh1991   30711   20 Replies

Kendra Brown1

Sickle cell anemia is an inheritable red blood cell disorder that results in sickle-shaped red blood ...

Sickle cell anemia is an inheritable red blood cell disorder that results in sickle-shaped red blood ...

1) SEE IMAGE ATTACHED



2) SEE SECOND IMAGE TO ANSWER

Sickle cell anemia is an inheritable red blood cell disorder that results in sickle-shaped red blood cells. The sickle-shaped red blood cells can stick to blood ves

Anonymous   396   5 Replies

Adrijaa Sengupta

13 Questions Answer all please some are attached I need it today please and thanks

13 Questions Answer all please some are attached I need it today please and thanks

1) Some events that occur during protein synthesis

1) mRNA binds to a ribosome.
2) Transcription completes.
3) mRNA leaves the nucleus.
4) tRNA attaches to the start codon.
5) Ribosome reads the mRNA codons.
6) Sto

Anonymous   365   4 Replies

bio_man

Since the seedless bananas are triploid open parentheses 3 n close parentheses, and do not produce ...

Since the seedless bananas are triploid open parentheses 3 n close parentheses, and do not produce ...

1. Since the seedless bananas are triploid open parentheses 3 n close parentheses, and do not produce viable seeds for reproduction. To grow more seedless banana plants, farmers take a side shoot and replant it.

This type of reproduction i

Anonymous   226   1 Reply

bio_man

Help please i need help today 7 questions some attached

Help please i need help today 7 questions some attached

1) In mice, albinism (g) is recessive to grey coat colour (G). A grey mouse mated with an albino mouse. Over the course of several months, 38 pups were born. Out of 38 pups, 17 had a grey coat, and 21 were albino.

Which of the following ro

Anonymous   473   4 Replies

bio_man

HELP PLEASE 13 QUESTIONS

HELP PLEASE 13 QUESTIONS

1) Match each description with the correct genetic term.

1) Selection of the most favourable characteristics

2) Transmission of parent’s characteristics by DNA found in genes

3) Offspring from the F1 cross

Anonymous   325   3 Replies

Anna le

10 questions i really need help please some attached

10 questions i really need help please some attached

1) SEE IMAGE TO ANSWER:
Which of the following events occur in the stage of cell division illustrated above?

a. Homologous chromosomes align at the equator

b. Sister chromatids separate

c. Daughter cells form

Anonymous   421   4 Replies

Anonymous

Provide the phenotypes and genotypes of all individuals in the pedigree.

Provide the phenotypes and genotypes of all individuals in the pedigree.

Duchenne muscular dystrophy is an X-linked recessive trait. The following pedigree shows the occurrence of this disorder in an extended family.
Provide the phenotypes and genotypes of all individuals in the pedigree.

Enter phenotype

silverardo   519   2 Replies

bio_man

Help please

Help please

1) Identify the sequence of structures through which sperm pass from the site of production to the vagina. SEE FIRST PHOTO ATTACHED

Answer.        Answer.       Answer.     Answer

Anonymous   181   2 Replies

Anna le

If a person with a pericentric inversion is phenotypically normal why do they of

If a person with a pericentric inversion is phenotypically normal why do they of

If a person with a pericentric inversion is phenotypically normal why do they often have abnormal children? 

Dextor   1070   1 Reply

bolbol

Can a child inherit a German appearance?

Can a child inherit a German appearance?

 Hello!  But I just want to know the opinion of experts.  Here, from one group in the social network on racial studies, I was told such a thing that if there is a relative (grandmother / grandfather or great-grandfather / great-

Artemprives   149   1 Reply

doubleu

Warning coloration and horizontal gene transfer

Warning coloration and horizontal gene transfer

Species which are distasteful or poisonous to predators, or carry a sting, often have warning coloration. e.g. Cinnabar moths, wasps, bees. In some cases these colour patterns are mimicked by harmless species. e.g. Some flies have the banded warning

Geoff Kitching   169   3 Replies

bio_man

Covalent Bonding Question

Covalent Bonding Question

Which ones are covalently bonded?
 
a)Two adjacent amino acids in a peptide
b)Two adjacent nucleotides in RNA
c)A guanine-cytosine base pairing
d)Hydrophobic amino acid from peptide 1 and hydrophobic amino acid from peptide

diamond3094   654   1 Reply

bolbol

How to deal with different adn lenghts in the making of a phylogenetic tree?

How to deal with different adn lenghts in the making of a phylogenetic tree?

I´m creating a phylogenetic tree algorithm that will classify species according it's beta globine of hemoglobin and sequences, but I' don't know how to deal with sequences of different lengths.

serjaumen22   176   1 Reply

fan198

what are some techniques of genetic recombination research

what are some techniques of genetic recombination research

What are some of the techniques used in genetic recombination research and what are some of the products that have been made? All i can think of is taking a plasmid and having the bacterium take it up then recombination occurs Lol!

4747   543   1 Reply

bolbol

Describe a technological procedure that could be used to determine the genetic condition of a fetus

Describe a technological procedure that could be used to determine the genetic condition of a fetus

Could someone please help me with this question?

Also, for the second part of the question it asks to whom a genetic counsellor would recommend this procedure... I thought it would be to older women who have a higher risk of getting childr

x-bio-x   498   1 Reply

bolbol

Northern blot analysis--lac operon?

Northern blot analysis--lac operon?

Northern blot analysis is performed on cellular mRNA isolated from E. coli. The probe used in the northern blot analysis hybridizes to a portion of the lacY sequence. Above is an example of the autoradiograph from northern blot analysis for a wild-ty

srmtrc   3879   5 Replies

Anonymous

What is a chemical mark?

What is a chemical mark?

I'm doing an assignment where I read an article about genetics and explain it in a nutshell slideshow presentation. In the article it says, "They mapped chemical marks on the DNA that determined which genes they expressed". Tried searc

Craterface   176   1 Reply

Anonymous

Is there any chemical used to identify homozygous and heterozygous offsprings

Is there any chemical used to identify homozygous and heterozygous offsprings

I need to discover a chemical that can give clear difference when an offspring's gene is stained. the different result will help me to identify whether the gene have homozygous or heterozygous alleles.

YIDU   153   1 Reply

bio_man

Genetic Engineering of Invasive Plants and Insects

Genetic Engineering of Invasive Plants and Insects

Dear Biology Community:
      Could we approach the problem of invasive plants and insects this way?
      We could genetically engineer large numbers of the same invasive plant or insect species to be identica

Carl Mesaros   184   1 Reply

bio_man

About the recombination frequency

About the recombination frequency

A recombination frequency of 50% is therefore the maximum recombination frequency that can be observed, and is indicative of loci that are either on separate chromosomes, or are located very far apart on the same chromosome.
Therefore, in what w

JimmyBui   253   2 Replies

dreama_g

Genetics (urgent)

Genetics (urgent)

In certain breeds of hamsters, females can be black, orange, or a black-and-orange mosaic called tortoise-shell, where small patches of black and orange fur are interspersed (see image at right). However, males of these breeds can be either black or

KOS0   273   4 Replies

Anonymous

Genetics/meiosis

Genetics/meiosis

The diploid (2n) chromosome number for the African clawed frog (Xenopus laevis) is 36. Consider germ-line cells or gametes of this species before, during, and after meiosis. Complete the chart below indicating how many chromosomes and chromatids an i

Ko890   303   2 Replies

Anonymous

Genetics/autosomal recessive inheritance (urgent)

Genetics/autosomal recessive inheritance (urgent)

The human pedigree shows the inheritance pattern for a trait known to be an autosomal (not sex-linked) recessive. Black symbols indicate individuals showing the trait, circles indicate females, and squares males. In the space below (1) identify the p

Ko890   163   1 Reply

Anonymous

Genetics/map distance (urgent)

Genetics/map distance (urgent)

The figure at right shows two homologous pairs of chromosomes during the G1 phase of a female fruit fly Drosophila melanogaster; the maternal and paternal chromosomes are shown in red and light blue, respectively. This female is heterozygous FfGgHh a

Ko890   217   3 Replies

Ko890