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Week 8/9 - Genetics and Inheritance; Transcription and Translation
Terms in this set (16)
Where is the information for building proteins encoded?
Amino acid side groups
help determine the structure of the protein and its function
Which statement accurately describes how genes, chromosomes, and proteins are related?
A gene on a chromosome encodes a protein
_____is the product of transcription, and _____ is the product of translation.
mRNA, a protein
What is a phenotype?
physical characteristics of an organism
An organism's _________ determines its __________.
A mutation in a DNA coding region of a protein can cause
a change in primary structure of the protein.
a change in secondary structure of the protein.
a change in tertiary structure of the protein.
a change in quaternary structure of the protein.
All of the following are true of alleles, EXCEPT
they vary in nucleotide sequence.
(X) when alleles of a gene differ, the organism is said to be homozygous.
for some diseases, if a person has only one disease allele, they may be healthy.
there may be many different alleles in the population.
pairs of alleles reside on homologous chromosomes.
How do properties of amino acids affect the function of proteins?
Amino acids vary in their chemical side chains, and interactions among side chains affect the protein folding that determines protein shape and function.
A DNA sequence reads ATCAGCTA. Select the mRNA sequence that would correspond with this DNA sequence.
RNA, amino acids, and ribosomes.
If someone is said to be "heterozygous" for a trait, it means that
both alleles for that trait are different.
In a cross between an individual with Huntington disease and an unaffected individual, what are the chances their progeny will have the disease, considering that it is a dominant trait?
A phenotypically normal woman marries a man with Wilson disease, an autosomal recessive disorder. They have a son who has Wilson disease. If you need two copies of the recessive allele to be affected and the mother doesn't have the disease, how did the son get it?
the woman must have been a carrier of one recessive allele and one normal allele
Two normal individuals have a child who has cystic fibrosis, an autosomal recessive disease. How did this happen?
Each parent had one normal and one recessive allele
A carrier is someone who
has one copy of a recessive allele and one copy of a dominant allele for a particular gene
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