Genetics and Developmental Biology

If a double-stranded DNA molecule contains 30 percent T, it must contain _______

If a double-stranded DNA molecule contains 30 percent T, it must contain _______

If a double-stranded DNA molecule contains 30 percent T, it must contain _______ percent G.
a. 20
b. 30
c. 40
d. 50
e. 60

arealhero   274   3 Replies

milestone23

If a eukaryotic chromosome was composed of 20% adenine, how much cytosine should theoretically be ...

If a eukaryotic chromosome was composed of 20% adenine, how much cytosine should theoretically be ...

If a eukaryotic chromosome was composed of 20% adenine, how much cytosine should theoretically be present in that same chromosome?

▸ 30%

▸ 20%

▸ 60%

▸ 40%

▸ 10%

sjeanlou423   51   1 Reply

1234bn

If a F1 plant that is homozygous for shortness is crossed with a heterozygous F1 plant. ?

If a F1 plant that is homozygous for shortness is crossed with a heterozygous F1 plant. ?

An F1 plant that is homozygous for shortness is crossed with a heterozygous F1 plant. What is the probability that a seed from the cross will produce a tall plant. Use a Punnett square to explain your answer and to compare the probable genetic variat

rks23456   3262   3 Replies

les58mac

If a female mammal (abnormally) has three X chromosomes, how many active X chromosomes would each of ...

If a female mammal (abnormally) has three X chromosomes, how many active X chromosomes would each of ...

If a female mammal (abnormally) has three X chromosomes, how many active X chromosomes would each of her cells have?

▸ None

▸ One

▸ Two

▸ Three

▸ The number would vary from cell to cell.

devildoc   23   1 Reply

josham

If a gene has three alleles in a population, their frequencies must add up to 1.5. (True or false?)

If a gene has three alleles in a population, their frequencies must add up to 1.5. (True or false?)

If a gene has three alleles in a population, their frequencies must add up to 1.5.
 
  Indicate whether the statement is true or false

bezel   58   1 Reply

ginam19pj

If a gene in Drosophila is expressed only when an imaginal disc ( :

If a gene in Drosophila is expressed only when an imaginal disc ( :

If a gene in Drosophila is expressed only when an imaginal disc (
 
  A) begins to differentiate, it is referred to as a homeotic gene. Recessive mutations in such genes often result in loss of function
  so that the structure does n

chayes2321   27   1 Reply

Ranggadimsz

If a gene in Drosophila is expressed only when an imaginal disc (A) begins to di

If a gene in Drosophila is expressed only when an imaginal disc (A) begins to di

If a gene in Drosophila is expressed only when an imaginal disc (A) begins to differentiate, it is referred to as a homeotic gene. Recessive mutations in such genes often result in loss of function so that the structure does not develop. If the gene

mikael   500   2 Replies

mikael

If a gene inDrosophilais expressed only in imaginal disc (A) when it begins to differentiate, it is ...

If a gene inDrosophilais expressed only in imaginal disc (A) when it begins to differentiate, it is ...

[html]If a gene in Drosophila is expressed only in imaginal disc (A) when it begins to differentiate, it is referred to as a homeotic gene. Recessive mutations in such genes often result in loss of function so

Mario   55   1 Reply

poke master

If a gene is carried on the same chromosome as another, would results of phenotype be the same?

If a gene is carried on the same chromosome as another, would results of phenotype be the same?

If a gene is carried on the same chromosome as another, would results of baby's phenotype be the same? Why or why not?

Thanks
For example hair and eye color. Would the phenotype still be the same or would it change because those two genes are now on

microbioflop   567   2 Replies

Julia

If a gene is replaced with a heterologous sequence such that the gene is then no

If a gene is replaced with a heterologous sequence such that the gene is then no

If a gene is replaced with a heterologous sequence such that the gene is then nonfunctional, what is the result usually called?

mikael   1033   4 Replies

urretarted

If a gene is replaced with a heterologous sequence such that the gene is then nonfunctional, what is ...

If a gene is replaced with a heterologous sequence such that the gene is then nonfunctional, what is ...

If a gene is replaced with a heterologous sequence such that the gene is then nonfunctional, what is the result usually called?
 
  What will be an ideal response?

19zbell   79   1 Reply

Beunique334

If a gene pool has multiple alleles for a single trait, which of the following is true?

If a gene pool has multiple alleles for a single trait, which of the following is true?

A:There is more than one dominant or recessive allele for a given trait within that gene pool.
B:Each trait is controlled by at least two alleles.
C:There is one dominant and one recessive allele for that trait within the gene pool.
D:Each trait is

snadra   726   2 Replies

rlrim1

If a gene product is not a protein but a noncoding RNA, the sequence might be initially hypothesized ...

If a gene product is not a protein but a noncoding RNA, the sequence might be initially hypothesized ...

If a gene product is not a protein but a noncoding RNA, the sequence might be initially hypothesized from comparative genomics but must be confirmed how?
 
  What will be an ideal response?

Leahc615   49   1 Reply

kylelin

If a genetic disorder appears in a family with no prior history, and is fully expressed by everyone ...

If a genetic disorder appears in a family with no prior history, and is fully expressed by everyone ...

If a genetic disorder appears in a family with no prior history, and is fully expressed by everyone carrying that allele, it is most likely a(n) ____ trait.
 
  a. autosomal dominant
   b. autosomal recessive
   c. X-linked reces

GermanBiter14   61   1 Reply

warm z

If a geneticist describes a trait as being 70 penetrant, what would they mean?

If a geneticist describes a trait as being 70 penetrant, what would they mean?

If a geneticist describes a trait as being 70 penetrant, what would they mean?
 
  A. Individuals with the trait show variation in expression
  B. It is lethal in 30 of the individuals who have the trait
  C. Only 70 of the indiv

darcyyyy   36   1 Reply

Alonzoperez1118

If a geneticist is studying the prevalence of a trait in a species, they are at the _________ level ...

If a geneticist is studying the prevalence of a trait in a species, they are at the _________ level ...

If a geneticist is studying the prevalence of a trait in a species, they are at the _________ level of study.
 
  A. population
  B. organismal
  C. cellular
  D. molecular

bla32104   44   1 Reply

sej011

If a herniated loop becomes stuck and cannot be reduced (but the blood supply is unimpeded), it is ...

If a herniated loop becomes stuck and cannot be reduced (but the blood supply is unimpeded), it is ...

If a herniated loop becomes stuck and cannot be reduced (but the blood supply is unimpeded), it is referred to as:
 
  A. incarcerated.
  B. nonreducible.
  C. strangulated.
  D. femoral.

NicoNaples75   201   3 Replies

BLABLABLABLA420

If a heterozygous plant is crossed with homozygous red-flowered plant, what will the phenotypic ratio be?

If a heterozygous plant is crossed with homozygous red-flowered plant, what will the phenotypic ratio be?

In certain plants, red flowers are dominant to white flowers. If a heterozygous plant is crossed with homozygous red-flowered plant, what is the probability that the offspring will be white-flowered?

a) 0%
b) 100%
c) 25%
d) 50%
e) It depends on whet

rk_9897   1108   3 Replies

rld09009

If a homozygous dominant brown mouse is crossed with a heterozygous brown mouse what will the offspring be?

If a homozygous dominant brown mouse is crossed with a heterozygous brown mouse what will the offspring be?

(tan is the recessive color) Please help me, I am taking an AP biology course and I am stuck on genetics.

Micromowie   2726   3 Replies

rla0705

If a homozygous tall yellow plant is crossed with a homozygous short red plant?

If a homozygous tall yellow plant is crossed with a homozygous short red plant?

In tomatoes, red fruit in dependent upon a dominate factor (R), yellow fruit is dependent on its recessive allele (r). Tallness is due to a dominate factor (T), dwarfness to its recessive (t).  If a tall yellow plant, is crossed with a homozygous sho

rlaehgns   951   3 Replies

firepain

If a human cell has two Barr bodies then the genotype of the individual could be

If a human cell has two Barr bodies then the genotype of the individual could be

If a human cell has two Barr bodies then the genotype of the individual could be
 
  A. XXXY
  B. XXXXY.
  C. XXY.
  D. XYY.

yvfgkyv   42   1 Reply

chemistry9999

If a light-eosin eye male Drosophila is crossed to a homozygous red eyed female, what will be the ...

If a light-eosin eye male Drosophila is crossed to a homozygous red eyed female, what will be the ...

If a light-eosin eye male Drosophila is crossed to a homozygous red eyed female, what will be the phenotype of their offspring?
 
  A. All offspring will have red eyes
  B. All males will have light-eosin eyes and all females will hav

19zbell   69   1 Reply

Yeheye

If a male produces healthy gametes but his female partner can neither produce gametes nor carry a ...

If a male produces healthy gametes but his female partner can neither produce gametes nor carry a ...

If a male produces healthy gametes but his female partner can neither produce gametes nor carry a fetus, a(n) ____________________ surrogate can be used to help them achieve successful reproduction.
 
  Fill in the blank(s) with correct wo

dillosunion   70   1 Reply

janeliz

If a man expresses an X-linked recessive trait, his ____________________ was either homozygous or ...

If a man expresses an X-linked recessive trait, his ____________________ was either homozygous or ...

If a man expresses an X-linked recessive trait, his ____________________ was either homozygous or heterozygous for the trait.
 
  Fill in the blank(s) with correct word

Matyler98   52   1 Reply

virpal jattana

If a man expresses an X-linked recessive trait, ____.

If a man expresses an X-linked recessive trait, ____.

If a man expresses an X-linked recessive trait, ____.
 
  a. all of his brothers will also express it
  b. his father transmitted the trait to him
  c. his father carried the trait
  d. all of his sisters will also express i

AyeDocJ   38   1 Reply

aboudyb

If a man who is heterozygous for Huntington's disease and a woman who is homozygous recessive for the gene?

If a man who is heterozygous for Huntington's disease and a woman who is homozygous recessive for the gene?

If a man who is heterozygous for Huntington's disease and a woman who is homozygous recessive for the gene have a child, what is the chance that the child will have Huntington's?

firefighterjn   704   5 Replies

tony123

If a molecule of DNA contains 10% cytosine, it has ________ guanine and ________ adenine ...

If a molecule of DNA contains 10% cytosine, it has ________ guanine and ________ adenine ...

If a molecule of DNA contains 10% cytosine, it has ________ guanine and ________ adenine respectively. 
A) 10%; 40%
B) 10%; 45%
C) 40%; 40%
D) 40%; 10%
E) 10%; 80%

ceybe   44   1 Reply

GTi_Nicky

If a mother tolerates a drug well, her fetus will, too (True or false?)

If a mother tolerates a drug well, her fetus will, too (True or false?)

If a mother tolerates a drug well, her fetus will, too.
 
  Indicate whether the statement is true or false

slashbro   24   1 Reply

Iweka

If a mouse inherits a deletion in the SHH enhancer, what effect would you expect

If a mouse inherits a deletion in the SHH enhancer, what effect would you expect

If a mouse inherits a deletion in the SHH enhancer, what effect would you expect to see?
A) enhanced limb development
B) abnormal limb development
C) position effect variegation
D) increased β-globin production
E) abnormal

mikael   1923   2 Replies

mikael

If a mouse inherits a deletion in the SHH enhancer, what effect would you expect to see?

If a mouse inherits a deletion in the SHH enhancer, what effect would you expect to see?

If a mouse inherits a deletion in the SHH enhancer, what effect would you expect to see?
 
  A) enhanced limb development
  B) abnormal limb development
  C) position effect variegation
  D) increased -globin production

tiffanygaebel   47   1 Reply

FATTAH KAYU

If a mutagen such as EMS is used to produce numerous mutagenized cell lines for an organism, PCR can ...

If a mutagen such as EMS is used to produce numerous mutagenized cell lines for an organism, PCR can ...

If a mutagen such as EMS is used to produce numerous mutagenized cell lines for an organism, PCR can be used to select for a particular gene. However, what feature of this selected sequence is used to find the ones with mutations in that gene?
 

mehdido712   32   1 Reply

agollub

If a mutagenesis screen provides some number (e.g., 24 ) of alleles shown by complementation ...

If a mutagenesis screen provides some number (e.g., 24 ) of alleles shown by complementation ...

If a mutagenesis screen provides some number (e.g., 24 ) of alleles shown by complementation analysis to be in the same gene, which of the following is true?
 
  A) These mutants can be used to identify the role of the gene in metabolism.

SDINIC89   54   1 Reply

aboudyb

If a mutagenesis screen provides some number (e.g., 24) of alleles shown by comp

If a mutagenesis screen provides some number (e.g., 24) of alleles shown by comp

If a mutagenesis screen provides some number (e.g., 24) of alleles shown by complementation analysis to be in the same gene, which of the following is true?
A) These mutants can be used to identify the role of the gene in metabolism.
B) The

mikael   486   2 Replies

mikael

If a mutation occurs in a gamete, which of the following is most likely to result?

If a mutation occurs in a gamete, which of the following is most likely to result?

A. If the mutation is non-disjunctive then an extra chromosome could be in every cell of the offspring.
B. If the mutation occurs on a recessive gene, it will most likely be expressed.
C. The mutation will not be passed on to the offspring.
D. The mu

jtmerk   2278   5 Replies

fernandoSD

If a nucleotide in a eukaryotic mRNA coding sequence does not appear in the genomic DNA sequence the ...

If a nucleotide in a eukaryotic mRNA coding sequence does not appear in the genomic DNA sequence the ...

If a nucleotide in a eukaryotic mRNA coding sequence does not appear in the genomic DNA sequence the most likely modification to have occurred is
 
  A. Alternative splicing
  B. RNA editing
  C. 5' capping
  D. Polyadenylat

c9day   65   1 Reply

Beunique334

If a nurse wants to obtain the best estimate of renal function, which test should the nurse ...

If a nurse wants to obtain the best estimate of renal function, which test should the nurse ...

If a nurse wants to obtain the best estimate of renal function, which test should the nurse moni-tor?
 
  a. Glomerular filtration rate (GFR)
  b. Circulating antidiuretic hormone (ADH) levels
  c. Volume of urine output
  d

Sauce1387   22   1 Reply

SamWats0n

If a parent suffers from sickle cell anemia and the other parent carries it does

If a parent suffers from sickle cell anemia and the other parent carries it does

If a parent suffers from sickle cell anemia and the other parent carries it does that mean the child has a 100% chance of being a carrier of sickle cell anemia.

I've done a punnet square and  the result is a 100% chance but I�

sara101   353   1 Reply

padre

If a particular mutation reverts at an unusually high rate

If a particular mutation reverts at an unusually high rate

If a particular mutation reverts at an unusually high rate, the cause of the mutation is very likely to be
A) deletion of a base pair.
B) formation of a pyrimidine dimer.
C) insertion of a transposable element.
D) defect in proofr

irika21   1033   2 Replies

couple007

If a patient complains of burning pain on urination and a desire to urinate frequently, this person ...

If a patient complains of burning pain on urination and a desire to urinate frequently, this person ...

If a patient complains of burning pain on urination and a desire to urinate frequently, this person should be checked for which of the following conditions?
 
  A. Pyelonephritis
  B. Cystitis
  C. Hydronephrosis
  D. Calcul

sms4lyfe   46   1 Reply

sns3guppy

If a pedigree analysis suggests that an autosomal or X-linked inheritance pattern is equally likely, ...

If a pedigree analysis suggests that an autosomal or X-linked inheritance pattern is equally likely, ...

If a pedigree analysis suggests that an autosomal or X-linked inheritance pattern is equally likely, then additional genetic testing is needed to identify the pattern of inheritance.
 
  a. True
   b. False
  Indicate whether the

littlescientist   69   1 Reply

Barrca