Genetics Answers

I have a question regarding non-disjunction that I'm struggling with. The question is "Normally a make of genotype produce sperms with genotype(s) A or a. Occasionally non-disjunction happens during meiosis 1 and consequently results in sperm with genotypes of (pick all that apply):
1) AA
2) Aa
3) aa

Similarly, if this non-disjunction error occurred in meiosis 2, what genotypes would the sperm have?

The double-stranded DNA sequence for the coding region of a short peptide is:
5'-ATG-TTT-TCG-ACG-TGC-GAT-TGA-3'
3'-TAC-AAA-AGC-TGC-ACG-CTA-ACT-5'

1, Which strand of DNA, top or bottom is transcribed by RNA polymerase.Explain.

2, A mutation at the second triplet on the coding strand deletes on of the A-T pairs and creates a frameshift mutation. what is the sequence of the peptide now?

What is the significance of the semiconservative method of DNA replication ?

Kia is a carrier of sickle cell Micheal is not. What is the probability that their child will be a carrier of sickle cell?

A population of moths initially consists of darkly colored moths, and a few light colored moths. After several generations, the moth population consists entirely of light colored moths are eaten by predators. This situation is an example of​

Detail the Polygenic Hypothesis for the inheritance of Quantitative Traits.

A mole has two alleles for fur color, B = brown fur and b = white fur. In a population of 100 moles, 12 have white fur. What is the brown fur allele frequency?

what is the difference between incomplete dominance and co dominance

where does the RNA-dependent RNA-polymerase to make the first strand of positive sense RNA come from?

Can lethal genes be considered as a part of Pleiotropic genes or are they two different things? Eg: Sickle cell anaemia is an example of pleotropic gene but it can also mean presence of lethal genes in homozygous recessive state and semi lethal in heterozygous state?