APB Unit 5 - Cell Heredity 3.0 #GoBioRams
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Biology, Science
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11th - 12th Grade
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Medium
Monica Bowman
Used 3+ times
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30 Slides • 6 Questions
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APB Unit 5 - Cell Heredity 3.0 - Linkage, Maps, & Chromosomes
Chapter 15
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Multiple Choice
What percentage of F1 population will have a homozygous recessive phenotype if each parent was heterozygous for the fur color? This complete dominant trait has the alleles of F = black fur and f = brown fur.
25 % of the offspring will have black fur.
25% of the offspring will have brown fur.
50% of the offspring will have black fur.
50% of the offspring will have brown fur.
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Multiple Choice
Is it possible for a woman with type A blood and a man with type B blood to have a child that has type O blood?
Yes.
No.
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Multiple Choice
If incomplete dominant trait A = almond flavor and a = no flavor and complete dominant trait B = oval and b = round, what is the phenotypic ratio for the F1 offspring if you have a AABb x aaBB cross?
9 almond oval : 3 almond round : 3 no flavor oval : 1 no flavor round
12 almond oval : 4 no flavor round
8 almond oval : 8 almond round
16 almond oval
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Multiple Choice
The SRY gene is located on the
X chromosome.
Y chromosome.
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Open Ended
What causes mosaic colorations in calico cats?
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Multiple Choice
Is it possible to have a male calico cat?
Yes.
No.
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Yes, male calico cats are possible, but they are rare.
http://www.vetstreet.com/dr-marty-becker/can-calico-cats-be-male
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Gregor was lucky to have studied peas.
Since most of the characteristics he studied were not linked.
He wasn't looking at linked genes.
https://ib.bioninja.com.au/higher-level/topic-10-genetics-and-evolu/102-inheritance/linked-genes.html
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If genes are linked together
how will that impact the resulting genotypes and phenotypes after crossing-over events?
See Fig. 15.11 on page 303.
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More resources on gene linkage maps
https://www.nature.com/scitable/topicpage/thomas-hunt-morgan-genetic-recombination-and-gene-496/
https://www.biologycorner.com/worksheets/genetic_maps.html - Answer key at the bottom of the link.
https://www.yourgenome.org/facts/how-do-you-map-a-genome
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Chi Square
How to determine if your results are scientifically valid.
https://www.statisticshowto.com/probability-and-statistics/chi-square/
https://www.mathsisfun.com/data/chi-square-test.html
Page 302.
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Abnormal Chromosomal Numbers
Nondisjunction events can lead to aneuploidy, monosomy, trisomy, or polyploidy.
Fig. 15.13 on page 305 on.
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Alterations in Chromosomal Structure
Deletion
Duplication
Inversion
Translocation
Fig. 15.14 on page 306
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Genomic imprinting
Depending on which parent you received the gene determines the phenotype.
Fig. 15.17 on page 308
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Extranuclear or Cytoplasmic Genes
Genes not found in the nucleus.
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Epigenetics
Environmental impacts on gene expression
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So much about us is inherited?
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A review
We discussed gene linkage maps and how to generate them.
We discussed chi square tests and how to conduct them.
We discussed non-disjunction events.
We discussed chromosomal alterations.
We discussed genomic imprinting.
We discussed mitochondrial DNA and impacts on inheritance.
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A review
We discussed epigenetics.
We discussed how much of who we are is inherited vs. caused by the environment.
APB Unit 5 - Cell Heredity 3.0 - Linkage, Maps, & Chromosomes
Chapter 15
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