Genetics and Developmental Biology

Do the karyotypes of the parents help explain the occurrence of the three previ

Do the karyotypes of the parents help explain the occurrence of the three previ

A healthy couple with a history of three previous spontaneous abortions has just had a child with cri-du-chat syndrome, a disorder caused by a terminal deletion of chromosome 5. Their physician orders karyotype analysis of both parents and of the chi

mic2014   2954   5 Replies

Kacey Jones

DNA strand

DNA strand

What term is used to describe the pattern of base pairing between one DNA strand and its partner in a duplex?

pinkteacup   440   3 Replies

fodog414

dna extraction by the sodium perchlorate method but i get slimy ppt and no dna

dna extraction by the sodium perchlorate method but i get slimy ppt and no dna

.i have been carrying out dna extraction by the sodium perchlorate metthod but lately there is lot of white ppt which is slimy after addition of chloroform and dna does not get extracted

pathak   755   2 Replies

GDNA extraction

Discuss some of the physiological and physical factors that contributes to lact

Discuss some of the physiological and physical factors that contributes to lact

Rachael Martin is an avid runner and athlete at a large university and has been given a scholarship to participate in women's track. Sometimes she is uncomfortable to the point of pain after her workouts. She reports that the pain is probably du

Kiwi420   3782   3 Replies

bio_man

Determining the mode of inheritance?

Determining the mode of inheritance?

Pedigree Analysis: Dominant and Recessive Autosomal Conditions
Geneticists analyze pedigrees to follow the inheritance of genetically controlled conditions. Three things must be determined in a pedigree analysis:
The mode of inheritance of

123

dbos   26961   30 Replies

epithelialgirl

Cells transplanted from the neural tube of a frog embryo to the ventral part of

Cells transplanted from the neural tube of a frog embryo to the ventral part of

 Cells transplanted from the neural tube of a frog embryo to the ventral part of another embryo develop into nervous system tissues. This result indicates that the transplanted cells were   

A) determined.
B) totipotent.
C)

ppk   3360   1 Reply

duddy

Cells move to new positions as an embryo establishes its three germ tissue laye

Cells move to new positions as an embryo establishes its three germ tissue laye

Cells move to new positions as an embryo establishes its three germ tissue layers during     
A) cleavage.
B) determination.
C) fertilization.
D) gastrulation.
E) induction.

ppk   2896   1 Reply

duddy

Animal cells that are present only for a brief developmental phase will, follow

Animal cells that are present only for a brief developmental phase will, follow

Animal cells that are present only for a brief developmental phase will, following completion of that phase, undergo     

A) re-differentiation.
B) diapause.
C) meiosis.
D) apoptosis
E) oxidative phosphorylati

ppk   1962   1 Reply

bio_man

An inherited disease that primarily affects women and not men is likely to be c

An inherited disease that primarily affects women and not men is likely to be c

 An inherited disease that primarily affects women and not men is likely to be caused by

Emush   1528   1 Reply

bio_man

All of the following are required in complementation testing in yeast except __

All of the following are required in complementation testing in yeast except __

a. an auxotrophic organism
b. diploid cells
c. mutations that are recessive
d. two or more mutations that affect a single phenotype

Biosana   2235   1 Reply

padre

A metabolic reaction requires 40 units of enzymatic activity to proceed. If a d

A metabolic reaction requires 40 units of enzymatic activity to proceed. If a d

 A metabolic reaction requires 40 units of enzymatic activity to proceed. If a dominant allele "D" can generate 40 units of enzyme and a mutant allele "d" generates 20 units of enzyme, what can be said of the dominant wild-type al

mikael   705   2 Replies

mikael

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   340   2 Replies

Anonymous

1000 years go by and genetic differences begin to accumulate. The number of unique alleles within e

1000 years go by and genetic differences begin to accumulate. The number of unique alleles within e

Help me with this question, please!

1000 years go by and genetic differences begin to accumulate. The number of unique alleles within each population likely increases. What is the origin of the unique alleles in each of the subpopulations?

Anonymous   67   1 Reply

Anonymous

(1) Which end (5' or 3') of the molecule is here?

(1) Which end (5' or 3') of the molecule is here?

Below is a diagram of DNA replication as currently believed to occur in E. coli. From specific points, arrows lead to numbers. Answer the questions relating to the locations specified by the numbers.
 

(1) Which end (5' or 3'

ORPHEE   1098   1 Reply

wrsim2

Changes in ploidy and DNA content during meiosis The parent cell that enters m

Changes in ploidy and DNA content during meiosis The parent cell that enters m

 Changes in ploidy and DNA content during meiosis
The parent cell that enters meiosis is diploid, whereas the four daughter cells that result are haploid.
Which statement correctly describes how cellular DNA content and ploidy levels change

AMOR13   1920   1 Reply

a.mal

Can anyone get this files for me from course hero immediately

Can anyone get this files for me from course hero immediately

    
Can anyone get this files for me from course hero   ?

http://www.coursehero.com/file/6349666/exam2-2/
http:/

Tasnim   383   2 Replies

Tasnim