Question #2: Recombination is a process that creates genetic diversity during meiosis. Below is the average amount of recombination (y-axis) in several species of eukaryotes (shown on the x). SAR=Stramenopiles-Alveolates-Rhizaria Eukaryote log recombination rate (cM/Mb) 1 2 SAR fungi other animals som sun insects crustaceans molluses fishes + amphibians + reptile aves mammals * other plants D magnoliids basal eudicots superrosids superasterids lilioids+alismatids **** commelinids conifers a) What do you notice about the amounts of recombination in the various species?
Question #2: Recombination is a process that creates genetic diversity during meiosis. Below is the average amount of recombination (y-axis) in several species of eukaryotes (shown on the x). SAR=Stramenopiles-Alveolates-Rhizaria Eukaryote log recombination rate (cM/Mb) 1 2 SAR fungi other animals som sun insects crustaceans molluses fishes + amphibians + reptile aves mammals * other plants D magnoliids basal eudicots superrosids superasterids lilioids+alismatids **** commelinids conifers a) What do you notice about the amounts of recombination in the various species?
Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Just need help with part a please, thank you!

Transcribed Image Text:Question #2: Recombination is a process that creates genetic diversity during meiosis.
Below is the average amount of recombination (y-axis) in several species of eukaryotes
(shown on the x). SAR=Stramenopiles-Alveolates-Rhizaria Eukaryote
log recombination rate (cM/MI
SAR
fungi
other animals
unseg, worms
insects
www
molluses
fishes
crustaceans
amphibians + reptile
DO
aves
mammals
other plants
gnoliids
magnolii
basal eudicots
superrosids
superasterids
lilioids+alismatids
commelinids
conifers
a) What do you notice about the amounts of recombination in the various species?
b) This paper found that recombination is positively correlated with gene density
(number of genes per kb of chromosome) and negatively correlated with
the density of repetitive elements (areas of the genome that are repetitive
and do not encode genes). Why might this be the case?
c) A cross was made between two individuals (AaBbxAaBb) where A codes for red
eyes, a codes for blue eyes, B codes for curly wings, and b codes for straight
wings and the following offspring were observed.
11 offspring with red eyes and curly wings
2 offspring with red eyes and straight wings
1 offspring with blue eyes and curly wings
2 offspring with blue eyes and straight wings
Does this follow Mendelian genetics? If not, what (genetically) might explain the data?
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