
Genetics Part 2 Review
Presentation
•
Biology
•
9th - 12th Grade
•
Medium
Megan Ghothane
Used 6+ times
FREE Resource
24 Slides • 23 Questions
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Multiple Choice
This term refers to half the normal chromosome number
haploid
2N
diploid
3N
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Multiple Choice
This term refers to the production of gametes by organisms that reproduce sexually
mitosis
binary fission
meiosis
cloning
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Multiple Choice
The exchange of genetic information that insures that every gamete is unique is referred to as
mitosis
meiosis
reduction division
crossing over
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Multiple Choice
All sperm and egg cells are genetically identical.
TRUE
FALSE
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Multiple Choice
The term that refers to a cell that has its full or complete number of chromosomes is
diploid
N
gamete
haplpoid
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Multiple Choice
Crossing over happens when part of the genetic information of one chromosome switches places with the genetic information from another chromosome. Another term for this process is
genetic recombination
genetic reduction
a mutation
nondisjunction
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Multiple Choice
T - tall and t = short
In the punnett square below, what belongs in the missing square
tt
Tt
Bb
TT
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Multiple Choice
What are the phenotype percentages of the offspring?
(A-Brown fur color; a-white fur color)
50 % Brown fur and 50% White fur
25 % Brown fur and 75% White fur
75 % Brown fur and 25% White fur
0% Brown fur and 100% White fur
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Multiple Choice
In humans, having freckles (F) is dominant to not having freckles (f). What is the percent chance that a married couple with no freckles will give birth to a child who has freckles?
0%
25%
50%
75%
100%
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Match
BB
Bb
bb
Homozygous Dominant
Heterozygous
Homozygous Recessive
Homozygous Dominant
Heterozygous
Homozygous Recessive
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Multiple Select
Which of the following is related to GENOTYPE? Choose ALL that apply
Physical Traits
Bb
Homozygous
Blue Eyes
What alleles the person has
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Multiple Select
Which of the following is related to PHENOTYPE? Choose ALL that apply
Physical Traits
Bb
Homozygous
Blue Eyes
What alleles the person has
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Match
Section of DNA that codes for a trait
A version of a gene
What alleles a person has
What physical trait a person has
Gene
Allele
Genotype
Phenotype
Gene
Allele
Genotype
Phenotype
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Hotspot
Identify all the DOMINANT alleles
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Hotspot
Which of the following are associated with the DOMINANT trait?
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Explanation Slide...
Alleles are found on chromosomes, and you have 23 pairs of chromosomes. Of each pair of chromosomes you got one from your mom and one from your dad. So you get one allele for a trait from your mom and one allele for a trait from your dad.
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Multiple Choice
Why do genotypes always have two letters?
Because you get one allele from each parent, meaning two in total
Because both a dominant and a recessive allele are needed for a trait
Because it is easier to see what type of trait it is using two letters
Because you get two alleles from each parent for each trait
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Multiple Choice
Pea plant height is determined by two alleles, T for Tall and t for short. A homozygous tall plant is cross with a short plant.
What is the probability of having an offspring that has the genotype TT?
0%
25%
50%
100%
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