Genetics and Developmental Biology

Genetics, Map distance

Genetics, Map distance

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   179   1 Reply

Anonymous

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   266   1 Reply

Anonymous

Genetics question

Genetics question

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   255   1 Reply

bio_man

Refer to the image below (same as QI). As soon as the two frog populations are separated Which Of th

Refer to the image below (same as QI). As soon as the two frog populations are separated Which Of th

Help me with this question, please!

Refer to the image below (same as QI). As soon as the two frog populations are separated Which Of the following Will have the greatest effect on divergence between the two populations? Why?
Genetic

Anonymous   189   2 Replies

Anonymous

You decide to perform dideoxy sequencing on a PCR product. You add the appropria

You decide to perform dideoxy sequencing on a PCR product. You add the appropria

You decide to perform dideoxy sequencing on a PCR product. You add the appropriate 32P-labeled primer, DNA polymerase, DNA template (the PCR product), buffer, dNTP mix, and a small amount of one of the four ddNTPs to four reaction tubes. You run the

mki   2484   2 Replies

Bobby Kontonis

Schistosoma mansoni is a blood fluke that can cause chronic parasitic disease in humans. The larval ...

Schistosoma mansoni is a blood fluke that can cause chronic parasitic disease in humans. The larval ...

Schistosoma mansoni is a blood fluke that can cause chronic parasitic disease in humans. The larval form of the blood fluke can penetrate human skin and develop into the adult form inside the host.
The genes on chromosome 4 and the distances bet

Anonymous   220   4 Replies

Anonymous

Structural aberations

Structural aberations

A normal chromosome is with segments: ABCDEFG
Structural aberration is ADCBEF. Is it a paracentric or pericentric inversion?

Dzano   149   1 Reply

bio_man

Heterozygous cross with linked genes

Heterozygous cross with linked genes

You have 2 heterozygous Black rabbits with a rough coat. They get a child that has a white and smooth coat. You also know that the 2 different genes are located on the same chromosome and are 6 cM apart. What are all the possible genotypes of the off

DNADAN   168   3 Replies

bio_man

Hemophilia is a sex-linked recessive trait. A male hemophiliac and phenotypically normal female have ...

Hemophilia is a sex-linked recessive trait. A male hemophiliac and phenotypically normal female have ...

1) Hemophilia is a sex-linked recessive trait. A male hemophiliac and phenotypically normal female have a son with hemophilia.

They would like to have one more child. What is the probability of having a child without hemophilia? Explain u

samantacastillo   225   2 Replies

Anonymous

One question see photo

One question see photo

see photo attached
1) Identify the genotypes of the following individuals:


Individual   Genotype
II-1   
II-2   
II-4   
II-5   
III-2   
III-3   

Anonymous   235   4 Replies

Anonymous

I need help fill up the chart attached phtoto long question

I need help fill up the chart attached phtoto long question

1) Complete the following table and answer the next two questions. (3.5 marks)

mRNA and tRNA are involved in producing proteins from genes in the DNA. One codon consisting of 3 nucleotides corresponds to an amino acid in the protein that g

Anonymous   212   2 Replies

Anonymous

Need it now thanks

Need it now thanks

1) In mice, black fur (B) is dominant over brown fur (b). Two black mice had only black offspring.
Which of the following offspring genotypes could result from the parental cross? Select all that apply.

Select one or more:

Anonymous   150   2 Replies

Anonymous

I need in 5 minutes please

I need in 5 minutes please

1) A Section of a Gene
AAG ATA CAG GCT CGG TAA
For the DNA sequence shown above, identify the following:
mRNA codons
tRNA anticodons
amino acids








2) The section of a gene s

Anonymous   128   2 Replies

Anonymous

Please someone help sooonnnnn

Please someone help sooonnnnn

1) Identify the type of mutation and how it would affect the protein made (amino acid) if the following changes occurred in the DNA template strand. (4 marks)

DNA Strand:  TCT AAC TAT CCC CTA

Third codon change from TAT to

Anonymous   119   2 Replies

samantacastillo

2nd Part need help now

2nd Part need help now

1) There is a lack of dominance in four o’clock plant flowers. When a red flower is crossed with a white flower, a pink flower is produced.

In an experiment, pink flowers were self-pollinated. The phenotype ratio of the offspring is

Anonymous   137   1 Reply

Anonymous

2 questions please need it soon

2 questions please need it soon

1) All of the statements are correct regarding ecological succession EXCEPT


a.
there is less competition earlier in the succession process

b.
initial pioneer species are producers

c.
it is a rando

Anonymous   145   2 Replies

Anonymous

2nd part please need it soon

2nd part please need it soon

1) Which of the following rows correctly describes the biotic and abiotic factors that change during each type of succession?

a.
Type of Succession
Abiotic Factors
Biotic Factors
Secondary
Plant diversity will incr

Anonymous   185   2 Replies

Anonymous

2 questions answer need it soon

2 questions answer need it soon

1) King penguins are flightless aquatic birds found primarily in the Southern hemisphere. They live as a large colony and have highly social interactions. King penguins begin reproducing at six years of age and lay one or two eggs per reproductive cy

Anonymous   195   2 Replies

Anonymous

Second part need it soon 2 questions

Second part need it soon 2 questions

1) Which of the following rows correctly identifies the life strategy of a population and its type of graph?

a. Population   Life Strategy   Type of Graph
     Whales         r-selected  &n

Anonymous   181   2 Replies

Anonymous

I need more credits to do more part but i am almost done with all mine 3 questions

I need more credits to do more part but i am almost done with all mine 3 questions

1) The carrying capacity (K) is the maximum population size that can be supported or sustained by a given environment. Which of the following statements about the carrying capacity is NOT true?

a. When a population overshoots K, individual

Anonymous   207   2 Replies

samantacastillo

2 question please answr all

2 question please answr all

1) Which of the following rows correctly describes the difference between predation and parasitism?

a.
Predation
Parasitism
The host species is not killed, but its life is barely sustained to benefit the other species.

Anonymous   160   2 Replies

Anonymous

2 question one long

2 question one long

1) Which of the following natural disturbance would likely result in primary succession?

a. a river flooding and removing the natural vegetation located on the river banks

b. clearcutting trees in southwestern Alberta to prevent

Anonymous   182   2 Replies

Anonymous

Unit 3 (3 questions)

Unit 3 (3 questions)

1) The carrying capacity (K) is the maximum population size that can be supported or sustained by a given environment. Which of the following statements about the carrying capacity is NOT true?


a. Once a population reaches its carryi

Anonymous   262   2 Replies

Anonymous

3 questions population genetics

3 questions population genetics

1) Which of the following is NOT an example of an r-selected population?

a. Algae are capable of reproducing asexually and sexually to take advantage on the conditions of the environment.

b. Minnows spawn 16 to 26 times per year

Anonymous   203   2 Replies

Anonymous

Population Genetics

Population Genetics

1) Sea otters are marine mammals that live in northern Pacific coasts. Typical female sea otters reach sexual maturity around 3 or 4 years of age, and they reproduce once a year, producing a single pup. Only female sea otters are tasked with raising

Anonymous   167   2 Replies

Anonymous

Two questions but one multiples parts

Two questions but one multiples parts

1) SEE ATTACHED PHOTO TO ANSWER :

A) What do the regions numbered 2 and 4 on the graph represent?


a.
Region #2
Region #4
Emigration and birth rate is greater than immigration and death rate.
Immigration

Anonymous   204   3 Replies

Anonymous

2 question sooner

2 question sooner

1) Water wisteria is an aquatic plant that is easy to care for and reproduces very quickly. A small man-made pond of 350 L contains 150 water wisteria plants. 25 new plants are introduced daily to the pond, while 100 plants are taken out once a week

Anonymous   199   2 Replies

Anonymous

PART 2 genetics

PART 2 genetics

1) In 2017, 16 bison were released into Elk Island National Park. Within the next five years, 49 more bison will be released into the 1,200 km2 area. During the study period, it is expected that 45 calves will be born and 13 bison will die or be remo

Anonymous   197   2 Replies

Anonymous

NEED SOON please see my otheer posts

NEED SOON please see my otheer posts

1)Water wisteria is an aquatic plant that is easy to care for and reproduces very quickly. A small man-made pond of 350 L contains 150 water wisteria plants. 25 new plants are introduced daily to the pond, while 100 plants are taken out once a week t

Anonymous   186   3 Replies

Anonymous

Need ir soon two question

Need ir soon two question

In 2011, the city of Calgary had 1,096,833 people living within the city limits. Since then, there have been 230,000 births and 200,000 deaths. A total of 140,000 people moved to Calgary from other cities or countries, while only 10,000 people moved

Anonymous   198   2 Replies

Anonymous

Lemna minor, a species of duckweed, can reproduce to form new plants very quickly. Suppose that a ...

Lemna minor, a species of duckweed, can reproduce to form new plants very quickly. Suppose that a ...

1. Lemna minor, a species of duckweed, can reproduce to form new plants very quickly. Suppose that a small backyard pond contains 25 Lemna minor plants, and the expected growth rate of the population is 1.0 x 102 plants per day. Predict how many Lemn

leximads8   1193   3 Replies

Anonymous

POPULATION AND GENETICS

POPULATION AND GENETICS

1) In tomatoes, red fruit (R) is dominant over yellow fruit (r). In a tomato plant population exhibiting Hardy–Weinberg equilibrium, if allele r has a frequency of 0.72, what percentage of the population is homozygous dominant for this trait?

Anonymous   282   4 Replies

Anonymous

Unit POPULATION GENETICS PLEASE HELP ME ASAP

Unit POPULATION GENETICS PLEASE HELP ME ASAP

1) A rabbit warren has 300 individuals. The coat colour of rabbits is expressed through incomplete dominance. The coat colour can be dark brown, light brown, or white.

There are 81 dark brown rabbits, 150 light brown rabbits, and 69 white

Anonymous   291   2 Replies

Anonymous

Continuation of last post Population and Genetics 3 questions

Continuation of last post Population and Genetics 3 questions

1) In guinea pigs, the allele for black coat color (B) is dominant over the allele for white coat color (b). In an ideal mouse population exhibiting Hardy–Weinberg equilibrium of 31 guinea pigs, 2 are homozygous dominant, 11 are heterozygous, and 18

Anonymous   287   2 Replies

Anonymous

Population Genetics 2 questions ASAP

Population Genetics 2 questions ASAP

1) In fruit flies, long wings (L) are dominant over short wings (l).

In a population of 60 fruit flies, 38 have LL genotypes, 22 have Ll genotypes, and 0 have ll genotypes.

Find the frequency of

a.    long-w

Anonymous   258   2 Replies

Anonymous

5 QUESTIONS SOME ATTACHED I NEE IT SOONNNNNNNN

5 QUESTIONS SOME ATTACHED I NEE IT SOONNNNNNNN

1) Compare and contrast mitosis and meiosis. Give at least 4 similarities and/or differences.





2) SEE FIRST IMAGE TO ANSWER
There are two processes in meiosis that contribute to genetic variation.
Name ea

Anonymous   410   2 Replies

Anonymous

REAL TIME PCR PEAKS AT THE ATTACHMENT

REAL TIME PCR PEAKS AT THE ATTACHMENT

Dear colleagues,
I'm new in real time PCR. So, your help is highly appreciated. I got this peaks from real time PCR analysis. Red peaks are from housekeeping gene. The peaks are good. But the other one has two elbow (two little peaks) whic

genetherapy   130   1 Reply

duddy

I NEED IT SOON PLEASE I DON'T HAVE ENOUGH CREDITS TO MAKE ANOTHER TOPIC

I NEED IT SOON PLEASE I DON'T HAVE ENOUGH CREDITS TO MAKE ANOTHER TOPIC

1) By comparing mitochondrial DNA (mtDNA) of living people and/or of skeletons of non-living people, researchers can analyze samples to determine their ancestry.

Which of the following statement correctly describes the inheritance pattern

Anonymous   225   1 Reply

Anonymous

I need it for today please

I need it for today please

1) Use the following information to answer the next question.

Several different nucleic acids are involved in the process of getting a protein produced from a gene. DNA contains the “genetic code” for the protein. DNA is double-stranded, b

Anonymous   211   2 Replies

Anonymous

Only 3 questions please answer all and i need it soon please

Only 3 questions please answer all and i need it soon please

1) A DNA sense strand contains the following nucleotide base sequence:

TAC AGC AAT CAC

From this, what is the nucleotide sequence of the mRNA strand that is transcribed?

a. UAC AGC AAU CAC

b. UAC TGC AAU CU

Anonymous   181   2 Replies

Anonymous