Blog

Occasionally during meiosis, homologues fail to seperate causing the gametes to have an extra chromosome like as seen in children with Down syndrome.  The failure to seperate is called what?

of the 23 pairs of chromosomes that humans have, 1 pair are the X and Y chromosomes and are called what?

A dihybrid cross like PpTt x PpTt results in what phenotypic ratios?

Let P = puple flowers, p is white. T is a tall plant and t is short. What are the possible gamets for a plant that is heterozygous for both traits?

The amino acids are brought in and matched to the codons on the mRNA by what molecule?

The law of _ states that two alleles for a gene will seperate in the formation of a gamete.

The two sides of a DNA polmer are held together with what kind of bonds?

In blood type, A and B are codominant and O is recessive. What are the possible child outcomes for a parent that is AO and a parent that is BO?

When DNA unzipps, which enzyme adds new nucleotides to create a new DNA polymer strand?

Identify the Brønsted-Lowry acid in the following reaction.H2O(l) + CO32-(aq) ⇌ HCO3-(aq) + OH-(aq)