Question for Recitation #3
In a cross involving parents pea plants of unknown genotype and phenotype, the
following offspring were obtained:
3/8 full, round
3/8 full, wrinkle
1/8 constricted, round
1/8 constricted, wrinkle
Determine the genotypes and phen
Question for Recitation #2
The diploid number of the hypothetical animal Geneticus is 2n= 36. Each diploid
nucleus contains 3 ng of DNA in G1.
a) What amount of DNA is contained in each nucleus at the end of S phase?
b) Explain why a somatic cell of Genet
occurring together is the product of their probabilities of occurring independently.
The addition rule allows for predicting the likelihood of a single event that can
happen in two or more ways. It states that the probability of a single mutually
Chapter 2.Q#26. The amount of DNA per cell of a particular species is measured in cells
found at various stages of meiosis, and the following amounts are obtained. Match the
amounts of DNA on the left with the corresponding
How Should We Evaluate Behavior
Analysis? (Research Design)
Simple Baseline Design
Generality of Results
What is an ind
Example of Escape Behavioral
Dr. Yeallands Chamber of Horror
Ed fought in World War I.
In one battle, several of his friends were killed.
When Ed was rescued, he said his right leg felt
Volume 4, Issue 3
Evaluation of a Changing Criterion Intervention to Increase Fluent Responding with
an Elementary Age Student with Autism
This document is copyrighted by the American Psychological Association or one of its allied publishers.
Things we need to know first
Response class a set of responses that either:
are similar on at least one response dimension
share the effects of reinforcement and
serve the same fu
What is bruxism?
Velma & Gerri both were classified with
profound mental retardation.
They both had been grinding their teeth for
What did behavior analysts do to help
Velma & Ge
What is a Schedule of Reinforcement?
Schedule of Reinforcement:
The way reinforcement occurs
because of the number of responses,
time since reinforcement,
time between responses,
and stimulus conditions.
What is Continuous
J Autism Dev Disord (2013) 43:18191831
Teaching Social-Communication Skills to Preschoolers
with Autism: Efficacy of Video Versus In Vivo Modeling
in the Classroom
Kaitlyn P. Wilson
Published online: 9 December
Why do we collect data?
How do we know what we are collecting data
Three characteristics of a good behavior definition
(Hawkins and Dobes, 1977)
Objective and observable characteristics
Definition should be readable (s
Behavioral Juvenile Corrections
2 school boys were arguing during class a lot.
They were juvenile delinquents from a group
home who were given permission to go to the
What did the behavior an
Chapter 1 continued
What is Behavior Analysis?
The study of the principles of
Behavior Analyst: A person who studies or
explicitly uses the principles of behavior.
What are the 3 types of behavior analysts?
Take 3 seconds to look at the next graphic and
determine if the intervention was successful
Data: Frequency of hitting
Behavior Reduction Procedure: Time-out
Baseline Rate: 12x/day
Number of Aggressions/day
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January 24 2015 12:14
24 January 2015
Table of contents
1. EFFECTS OF TEACHER GREETINGS ON STUDENT ON-TASK BEHAVIOR. 1
24 January 2015
Document 1 of 1
EFFECTS OF TEACHER GREETINGS ON STUDENT ON-T
Is it Reinforcement or Escape?
In some situations it is not clear whether a
reinforcement or escape contingency is
responsible for a persons behavior. This is
often the case in situations involving
temperature, for example. When a person is
hot, he or she
Supplemental Practice Problems For The Unit On
Sex Determination And Sex-Linked Inheritance
1. Imagine the COLOR gene in a grasshopper is on the X chromosome, and has two alleles: The
dominant C+ allele produces a green body, while the recess
Genetics Chapter 16- 1/31/2017
Operon- Group of genes that share a common promoter and are
transcribed as a unit- producing single mRNA molecule that encodes
trp operon in bacterium E. coli encodes components of th
Chapter 20 pages 605-615
Synthetic genome for yeast- first step was synthesis of artificial
chromosome III. Designed on computer, using natural sequence of
chromosome III but deleting nonessential DNA, including introns,
Johann Friedrich Miescher looked at pus after isolating nuclei of white
blood cells. Did chemical analysis and found that it was slightly acidic and
high in phosphorus. He called this nuclein which was later renamed
Genetics Chapter 25- 2/8/17
o Genetic rescue- The introduction of new genetic variation into an
o Small populations loose genetic variation over time through
inbreeding and genetic drift. Migration introduces new genetic
Genetics Chapter 13 pages 376-end TRANSCRIPTION
Transcription is the synthesis of an RNA molecule from a DNA template
Like replication except only parts of the DNA that is needed for RNA is
copied instead of the entire DNA molecule.
Three major componen
Andrew entered Big State Hospital when he
From the day he entered, he didnt say a word
19 years of silence
He attended Dawns group therapy session
with patients who did speak
In one session Dawn accidentally dropped a
Nancy had cerebral palsy
She was 5 years old, and had never walked,
run, or stood
She did rise to her knees from time to time
What did the behavior analysts do to help
They did a task analysis of walking
The breakdown of a complex skill into its
component response (behaviors).
Looks at the process and not just the final
Process vs. Product
Sometimes you need to make reinforcers and
feedback contingent on the compone
Reinforcement) and Recovery
Example of Extinction:
Lucille, the Restless Resident (D-18)
Lucille wandered into the nurses office and
was led back to the ward several times a day.
Description of the behavior you selected to change (including operational definition), goal
for changing the behavior, type of data collection, length of observational period.
The behavior I selec
What Are the Main Components of Each
BACB 4th Edition Task List
What is a re