Genetics Questions

the strand with okazaki fragments is called what

nucleotides combine with each other to produce what bonds

X-linked dominant is expressed more frequently in which gender

what are the chances of gametes having a certain copy of a gene

what happened when griffith injected a mixture of live R strain and heat-killed S strain into the mice

genotypic ratio for recessive lethal

How many possible codons are there?

Where is the anticodon that matches with the codon located?

What is the second step of protein synthesis?

During transcription a gene on DNA is copied into the form of what?

Types of mutations that can result in changing all of the following amino acids

What is the first step of protein synthesis

What is the specific building block of a protein that tRNA brings?

What forms after the continuing process of all the right amino acids joining?

The ribosome reads the mRNA 3 letters at a time, called a?

What transcript joins with a ribosome?

Which of the following events do biologists consider a random change?a) directional selectionb) speciationc) disruptive selectionyurgtd) genetic drift

The allele frequencies of a population are more likely to change if a) the population size is increasedb) no immigration or emigration occursc) mating is not randomd) the mutation rate decreases

A factor that is necessary for the formation of a new species isa) reproduction at different ratesb) geographic barriersc) different mating behaviorsd) reproductive isolation

The situation in which allele frequencies in the gene pool of a population remain constant is called?a) evolutionb) genetic driftc) genetic equilibrium d) natural selection