346 Answered Questions for the topic genetics


Can a guy get either x from their mother

Can a guy get either x from their mother xx or both x combined into one x then passed to their son


draw a dihybrid cell undergoing meiosos

a. Briefly explain Mendel’s law and principles. b. Make a drawing of a dihybrid cell of genotype A/a B/b undergoing Meiosis. Make sure you label the chromosomes correctly and indicate at each major... more
Genetics Science Biology


Genetics help

In the case of dalmation dogs, the non-spotted condition is recessive to the dominant spotted condition. Call the 2 alleles S for spotted and s for non-spotted. Both parents are heterozygous.   A)... more


Can suppressor mutations be reverse or intergenic? Or just intragenic?

I am reading my biology book and am having trouble understanding this concept at the end of the chapter.


Punnett square to show geno and pheno types of offsprings

for humans brown eyes are dominant (B) over blue eyes(b) what are the possible genotypes and phenotypes of their offspring showing Punnett square


how many DNA molecules exist in the human somatic cell during the synthesis stage of mitosis?

how many DNA molecules exist in the human somatic cell during the synthesis stage of mitosis?


During transcription, what happens to the RNA polymerase if a repressor protein attaches to the operator?

Can somebody help me please ?
Genetics Calculus


Genetics and Calculus Help!

1. a. If you have a population of 80 individuals where the frequency of AA is 2/5, Aa is 2/5, and aa is 1/5, find pe and qe the frequency of each allele in the egg generation.b. Find the frequency... more


phenotype ratio

Two dogs with black, short haired coats have been crossed several times and produced many litters of puppies. Altogether, they have produced puppies of the following phenotypes:18 with black, short... more
Genetics Science


After 30 cycles, calculate how much PCR product (in micrograms) could potentially be produced

 1 microgram of human genomic DNA is amplified in a PCR reaction using primers designed to amplify a 330 base pair fragment. After 30 cycles, calculate how much PCR product (in micrograms) could... more


What is the fraction of the offspring?

What is the fraction of the offspring with parents AaBBCCddEE and AaBBccDdEE will have a genotype aaBBCcddEE? I am trying to figure this out WITHOUT using the punnet square.... so what I know is:... more


chi square

In a Chi-square question you are usually given observed and you need to fill in the rest: expected, expected^2, etc. (Or you need to find the observed. But in this example observed is given) To get... more
Genetics Biology Aminoacids


Deletion, insertion or substitution of nucleotides...?

Shown below are the amino acid sequences of the wild-­-type and 4 mutant forms of a polypeptide (the amino acid sequence is taken from the middle of the protein, so there is no start or stop codon... more


noncoding DNA,

Hello, in noncoding DNA, there is repetitive DNA: heterchromatin and transposon repeats (retrotransponsons and DNA transponsons). where do both of these repetitive sequences come from? are we born... more
Genetics Biology


Why does our sense of taste differ from person to person?

how is this possible?
Genetics Biology


How do you do a Dihybrid cross?

What are ways you can do this?


What animals are self aware?

How can you figure out if one is self aware? Are any domestic pets self aware?


I need to know the stages of meiosis and why it's important to know them.

Why is it important to know these stages???
Genetics Biology


How does cloning work and why do people get mad about it?

I'm supposed to think about this before the first lecture.
Genetics Biology


how are genes inherited from a mom or dad to a child?

how are genes inherited from a mom or dad to a child?
Genetics Biology


DNA to mRNA for three diferent strands of DNA, given "5-AGT-3"

My Study Group can't figure out this problem: "A triplet of bases in the Template Strand of DNA = 5'-AGT-3', The corresponding codon found in the mRNA would be..." but then they ask the same... more

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