HSC Biology - Module 5 - Inquiry Question 2.
Chromosomes (and genes) come in pairs. You need to use 2 coins to represent this situation. There is a 50% chance for either heads or tails. This is the same for either dominant or recessive gene Sperm fertilizing egg cell creating a diploid zygote; dad’s chromosomes with mom’s chromosomes. No No No data may not exactly agree.
Multiple gene pairs may interact to produce a single phenotype. In. garden peas, gene C and gene P are required for pigment production in flowers. Gene C codes for an enzyme that converts a compound into a colorless intermediate production into anthocyanin, a purple pigment.
Mutations can also occur in which nucleotide base pairs are inserted into or deleted from the original gene sequence. This type of gene mutation is dangerous because it alters the template from which amino acids are read. Insertions and deletions can cause frame-shift mutations when base pairs that are not a multiple of three are added to or deleted from the sequence.
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Higher Human Biology Homework 3. 2 7.. Which type of gene mutation occurs when a codon for an amino acid is replace by a stop codon? A Nonsense B Missense C Frameshift D Splice-site 26.. A Ribose and phosphate group C Deoxyribose and base pairs.
I have trouble in solving this exercise. Exercise. A circular plasmid of 10,000 base pairs (bp) is digested with two restriction enzymes,A and B, to produce a 3000 bp and a 2000 bp bands when visualised on an agarose gel. when digested with one enzyme at a time, only one band is visible at 5000 bp.
Cystic Fibrosis is caused by a defect in the CFTR gene on chromosome 7. This gene makes a protein. that controls the movement of salt and water in and out of your body’s cells. People who have Cystic. fibrosis, the gene makes a protein that doesn’t work well. This causes thick, sticky mucus and very. salty sweat.