Exam 2 Flashcards
Proteins, Genetics
What the probability that the offspring of a homo dom and a homo res will exhibit dom phenotype
1.0
Are short strands of DNA contained in the chromosome inside of the nucleus of the cell
No
The attachment of nucleotides to form a complementary strand of DNA is?
Catalyzed by DNA polymerase
The function of rRNA is to?
Form Ribosomes
What carries the instructions to make proteins?
MRNA
In order for protein synthesis to occur mRNA must migrate to the?
Ribosomes
A nucleotide triplet in mRNA that specifies a particular amino acid is called?
A codon
The passaging of traits from parents to offspring is called?
Heredity
What is is called when the inheritance of one trait has no effect on the inheritance of anther?
The Law of Independent Assortment
Monohybrid crosses involve _ while dihybrid crosses involve _ genes
1, 2
What is it called when a mutation is caused by DNA breaking away and attaching to a non-homologous chromosome
Translocation
The gene coding for a disease found in males & females that can be passed on is?
Autosomal Dominance
If both parents carry a recessive allele their child has a
1/4 change of developing it
Tightly connected cells that are arranged in flat sheets are characteristics of?
Epithelial Tissue
The heart and lungs are protected by?
The rib cage
What is the difference between cartilage and bone
Bone contains cells with significant mineral deposits while cartilage does not
How do ligaments attach
Bone to bone
How do you determine the total amount of force a muscle can exert?
It depends on the total number of individual muscle fibers that have been stimulated
The skin preforms everything but?
The production of chemical messengers
Overexposure to sunlight may cause all the following except?
Acne
What does homozygous mean
Having 2 identical alleles of a gene
What does heterozygous mean
Having 2 different alleles of a gene
What is an allele
One or two more versions of a gene
