Genetics and Developmental Biology

Why is curly hair considered a dominant trait instead of straight hair?

Why is curly hair considered a dominant trait instead of straight hair?

Why is curly hair considered a dominant trait instead of straight hair?

!JRon@n   667   5 Replies

smag

Which of the following show embryonic development by deuterostome pathway?

Which of the following show embryonic development by deuterostome pathway?

a. Annelids.
b.vertebrates
c. mollusks.
d. arthropods.

!JRon@n   530   1 Reply

ririjr

What conditions must be present in the parents to get offspring with all resessive phenotype?

What conditions must be present in the parents to get offspring with all resessive phenotype?

What conditions must be present in the parents to get offspring with all resessive phenotype?

#8   332   1 Reply

leminhduc93

How can i help fund embryonic stem cell research?

How can i help fund embryonic stem cell research?

i don't really want to. i have to give a speech to my class about embryonic stem cell research and my professor said that we need to have a solution to the problem, basically, i need to talk about how we (the audience) can help this research go on. i

#8   379   1 Reply

michaelpipe18

What is sperm, egg, zygote, embryo, and larva?

What is sperm, egg, zygote, embryo, and larva?

I never understand the difference between these terms, and how they are related.  The only thing I know is that they are related to early life.

Please help!

$abood$   669   2 Replies

toesha

What are embryonic stem cells and do you think embryonic stem cell research is ethical?

What are embryonic stem cells and do you think embryonic stem cell research is ethical?

I have to write a paper for my eighth grade gifted class about bioethics.. She gave us a list of things we could do I chose embryonic stem cells. We had a time to do research  in class today, but her computers are really slow so i didn't really get t

$abood$   535   2 Replies

asolow2

What would be the size in base pairs of the largest and smallest amplicons that would be expected if

What would be the size in base pairs of the largest and smallest amplicons that would be expected if

Relevant details of the STRs are as follows

TH01

Chromosomal location: 11p15.5 (tyrosine hydroxylase, 1st intron)
Repeat motif: TCAT (GenBank top strand) although AATG (bottom strand) often used. Note that variants with a [

05mbodh   537   N/A

05mbodh

what are the differences between a zygote an embryo and a fetus?

what are the differences between a zygote an embryo and a fetus?

i think its the different forms like the baby developing like the 3 steps .

please help

0628889   2829   3 Replies

riyaz

Cross a red flower with a white flower. What is the probability of a red flower?

Cross a red flower with a white flower. What is the probability of a red flower?

I really need this answer

102938478   260   1 Reply

bio_man

What's the difference between an embryo, zygote, and a blastosyst?

What's the difference between an embryo, zygote, and a blastosyst?

What's the difference between an embryo, zygote, and a blastosyst?

1108   585   2 Replies

smialijan

Probenecid has been prescribed for a client who has gout. What information should the nurse provide ...

Probenecid has been prescribed for a client who has gout. What information should the nurse provide ...

[html]Probenecid has been prescribed for a client who has gout. What information should the nurse provide to this client?Select all that apply.Note: Credit will be given only if all correct choices and no incorrect choices are selected

123456789ABCD   89   1 Reply

Scruffy

What must eukaryotes do to initiate transcription of a gene?

What must eukaryotes do to initiate transcription of a gene?

[html]What must eukaryotes do to initiate transcription of a gene?

▸ Open the DNA template and then bind RNA Polymerase at the transcriptional initiation site.

▸ Recruit the transcription factors and RNA Polymerase that compose the pre-initiation c

123456789ABCD   82   1 Reply

Loruiz15

The presence of similar DNA sequences in sharks, whales and humans, butnotin chimpanzees suggests?

The presence of similar DNA sequences in sharks, whales and humans, butnotin chimpanzees suggests?

[html]The presence of similar DNA sequences in sharks, whales and humans, but not in chimpanzees suggests?

▸ the DNA was gained in elephants, mice and humans, but not chimpanzees ________.

▸ the DNA was lost

123456789ABCD   188   2 Replies

CarbonRobot

You discover a new species of snail,Biologica terificia, and find that its haploid number is 4 (n = ...

You discover a new species of snail,Biologica terificia, and find that its haploid number is 4 (n = ...

[html]You discover a new species of snail, Biologica terificia, and find that its haploid number is 4 (n = 4). The somatic cells of Biologica terificia are diploid. How

123isme   50   1 Reply

beccat99

What conserved sequence for DNA methylation is found in 11 copies at the E. coli replication origin?

What conserved sequence for DNA methylation is found in 11 copies at the E. coli replication origin?

What conserved sequence for DNA methylation is found in 11 copies at the E. coli replication origin?

▸ GCAT

▸ TGAC

▸ GTAC

▸ AGCT

▸ GATC

123lol456   35   1 Reply

janel989

Drosha is a(n):

Drosha is a(n):

[html]Drosha is a(n):

▸ RNAse I superfamily member endonuclease that creates 53 base precursor fragments.

▸ RNAse III superfamily member endonuclease that generates 70 bp precursor fragments.

▸ RNAse I superfamily member exonuclease that cr

123lol456   30   1 Reply

julie5

Most mutations that affect RNA splicing are:

Most mutations that affect RNA splicing are:

[html]Most mutations that affect RNA splicing are:

▸ deletions in the central portion of introns.

▸ single-base deletions at intron-exon junctions.

▸ single-base insertions at intron-exon junctions.

▸ single-base substitutions at intron-ex

123lol456   27   1 Reply

sbbalt

True or False? An molecular clock measures the accumulation of mutations at an approximately ...

True or False? An molecular clock measures the accumulation of mutations at an approximately ...

True or False? An molecular clock measures the accumulation of mutations at an approximately constant rate during the evolution of a given protein.

▸ true

▸ false

123lol456   56   1 Reply

apina

The minimal length of the E. coli replication origin that can support initiation of bidirectional ...

The minimal length of the E. coli replication origin that can support initiation of bidirectional ...

The minimal length of the E. coli replication origin that can support initiation of bidirectional replication is:

▸ 154 bp.

▸ 245 bp.

▸ 327 bp.

▸ 438 bp.

▸ 516 bp.

123lol456   31   1 Reply

bolusmachine

Under what conditions can DNA replication be reinitiated in Xenopus eggs?

Under what conditions can DNA replication be reinitiated in Xenopus eggs?

[html]Under what conditions can DNA replication be reinitiated in Xenopus eggs?

▸ When protein synthesis is blocked and the nuclear membrane is broken down

▸ When protein synthesis is blocked and the nuclear membrane stays intact

▸ W

18iq   25   1 Reply

teamroket

Both PraderWilli and Angelman syndromes are caused by the same deletion mutation.

Both PraderWilli and Angelman syndromes are caused by the same deletion mutation.

Both Prader–Willi and Angelman syndromes are caused by the same deletion mutation.

▸ true

▸ false

18iq   36   1 Reply

Ms Thickie

What is the nurse's primary role on the interdisciplinary health care team treating clients with ...

What is the nurse's primary role on the interdisciplinary health care team treating clients with ...

[html]What is the nurse's primary role on the interdisciplinary health care team treating clients with genetic disorders?

▸ Ordering genetic testing

▸ Analyzing genetic testing results

▸ Assuring open and accurate communication among team members

19sspeck   85   1 Reply

omgitsdannie

A woman has just experienced a spontaneous abortion. Which information would the nurse analyze ...

A woman has just experienced a spontaneous abortion. Which information would the nurse analyze ...

[html]A woman has just experienced a spontaneous abortion. Which information would the nurse analyze before counseling the client?Select all that apply.Note: Credit will be given only if all correct choices and no incorrect choices are

19sspeck   60   1 Reply

rtwyhw4

In some of Mendel's experiments, a cross in which one plant provides the pollen and another with ...

In some of Mendel's experiments, a cross in which one plant provides the pollen and another with ...

[html]In some of Mendel's experiments, a cross in which one plant provides the pollen and another with the same genotype provides the egg is followed be another cross in which the first plant provides the egg while the second provides the pollen. Dur

19sspeck   77   1 Reply

nchopin95

If a diploid organism has a genome consisting of 4 chromosomes, it can produce ____ different ...

If a diploid organism has a genome consisting of 4 chromosomes, it can produce ____ different ...

If a diploid organism has a genome consisting of 4 chromosomes, it can produce ____ different combinations of chromosomes (disregarding crossing over).
 
  a. 4
  b. 8
  c. 12
  d. 16
  e. 64

19zbell   125   1 Reply

chemistry9999

Four of the five answers listed below are haploid cells. Select the exception.

Four of the five answers listed below are haploid cells. Select the exception.

Four of the five answers listed below are haploid cells. Select the exception.
 
  a. zygote
  b. spore
  c. egg
  d. sperm
  e. gamete

19zbell   88   1 Reply

dr claude

Under anaerobic conditions, muscle cells produce ____.

Under anaerobic conditions, muscle cells produce ____.

Under anaerobic conditions, muscle cells produce ____.
 
  a. ethyl alcohol
  b. acetaldehyde
  c. pyruvate
  d. lactate
  e. citrate

19zbell   66   1 Reply

Slim1928

The mouse is a particularly useful model for studying human disease because _____.

The mouse is a particularly useful model for studying human disease because _____.

The mouse is a particularly useful model for studying human disease because _____.
 
  a. mice and humans are 100 genetically identical
  b. all mice are in essence, clones
  c. mice do not feel pain and discomfort
  d. mice

19zbell   69   1 Reply

slayah92

Identify the numbered items in the accompanying figure. Include the following terms in your ...

Identify the numbered items in the accompanying figure. Include the following terms in your ...

Identify the numbered items in the accompanying figure. Include the following terms in your description.  presynaptic neuron  postsynaptic neuron  neurotransmitters waiting to be released  neurotransmitters released by the nerve impulse  synapse  rec

19zbell   60   1 Reply

bobsegat123

Rosalind Franklin did not share a part of the 1962 Nobel Prize for Medicine or Physiology because ...

Rosalind Franklin did not share a part of the 1962 Nobel Prize for Medicine or Physiology because ...

Rosalind Franklin did not share a part of the 1962 Nobel Prize for Medicine or Physiology because she had died four years earlier.
 
  a. True
   b. False
  Indicate whether the statement is true or false

19zbell   85   1 Reply

Beunique334

Hereditary nonpolyposis colon cancers (HNPCC) ____.

Hereditary nonpolyposis colon cancers (HNPCC) ____.

Hereditary nonpolyposis colon cancers (HNPCC) ____.
 
  a. are rare in the United States, but common in Europe
  b. begin with a mutation in the APC gene
  c. are caused by one-of-a-kind DNA sequences called microsatellites

19zbell   56   1 Reply

junyan

If only one twin has a trait, the twins are ____________________ for that trait. (Fill in the blank)

If only one twin has a trait, the twins are ____________________ for that trait. (Fill in the blank)

If only one twin has a trait, the twins are ____________________ for that trait.
 
  Fill in the blank(s) with correct word

19zbell   84   1 Reply

123qwer121

Explain why enzyme replacement therapy cannot cure a genetic disease, and why gene therapy offers ...

Explain why enzyme replacement therapy cannot cure a genetic disease, and why gene therapy offers ...

Explain why enzyme replacement therapy cannot cure a genetic disease, and why gene therapy offers the only cure.
 
  What will be an ideal response?

19zbell   78   1 Reply

warm z

A study revealed differences in DNA methylation patterns between monozygotic twins, only one of whom ...

A study revealed differences in DNA methylation patterns between monozygotic twins, only one of whom ...

A study revealed differences in DNA methylation patterns between monozygotic twins, only one of whom was affected by a schizophrenia or bipolar disorder. This suggests a role for ____ in mental illness.
 
  Fill in the blank(s) with correc

19zbell   63   1 Reply

elementalsulfur

During DNA sequencing, a laser beam scans the fragments on the electrophoresis gel to identify the ...

During DNA sequencing, a laser beam scans the fragments on the electrophoresis gel to identify the ...

During DNA sequencing, a laser beam scans the fragments on the electrophoresis gel to identify the ____________________.
 
  a. gene sequence by the color it fluoresces
  b. end nucleotide by the color it fluoresces
  c. useful D

19zbell   51   1 Reply

Komall

Purines and pyrimidines are two classes of organic bases found in ____.

Purines and pyrimidines are two classes of organic bases found in ____.

Purines and pyrimidines are two classes of organic bases found in ____.
 
  a. sugars
  b. phosphates
  c. fats
  d. carbohydrates
   e. nucleic acids

19zbell   73   2 Replies

19zbell

Discuss three issues associated with the Human Genome Project and genetic testing that might have ...

Discuss three issues associated with the Human Genome Project and genetic testing that might have ...

Discuss three issues associated with the Human Genome Project and genetic testing that might have either ethical, legal, or social implications in the future.
 
  What will be an ideal response?

19zbell   68   2 Replies

19zbell

Epigenetic modifications affect the nucleotide sequence of the DNA.

Epigenetic modifications affect the nucleotide sequence of the DNA.

Epigenetic modifications affect the nucleotide sequence of the DNA.
 
  a. True
   b. False
  Indicate whether the statement is true or false

19zbell   70   1 Reply

fuzzycoconut20

A characteristic of all cancers is that ____.

A characteristic of all cancers is that ____.

A characteristic of all cancers is that ____.
 
  a. the cells divide continuously
  b. they have a benign form and a deadly form
  c. several mutations in several different genes are required in order for cancer to develop

19zbell   52   1 Reply

cboehm123

After a restriction enzyme cuts DNA into fragments and the fragments pair with complementary bases, ...

After a restriction enzyme cuts DNA into fragments and the fragments pair with complementary bases, ...

After a restriction enzyme cuts DNA into fragments and the fragments pair with complementary bases, the enzyme ____________________ is used to seal the gaps in the phosphate backbone.
 
  Fill in the blank(s) with correct word

19zbell   91   1 Reply

Slim1928