Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Please help me with this questions. I provided an example on how it has to be done. I don’t completely understand and is stuck. These questions are test cross questions but can not use Punnett squares to solve the problem. It’s using the trihybrid cross with forked line method. Please help me I try solving it multiple times and gets it wrong
Transcribed Image Text:Three separate traits of wild flowers in Arizona were studied.
The three traits were determined to be encoded by single,
independent genes, each having two distinct alleles, with one
completely dominant over the other. The flower color is either
violet (P) or white (p); the flower petals are either small and
abundant (S) or large and few (s); the flower stems are either
long (L) or short (I). Individual plants with the genotypes listed
below are crossed. Use a branched diagram to predict the
proportions, genotypes, and corresponding phenotypes of
the progeny plants from these crosses. PLEASE BE SURE
TO COMBINE the PROPORTIONS AND GENOTYPES OF
INDIVIDUALS WITH LIKE PHENOTYPES (eg- combine_¼
PPSSLL violet flowers, small and abundant petals, and long
flower stems AND ¼ PPSSLI violet flowers, small and
abundant petals, and long flower stems as ½ P_S_L_ violet
flowers, small and abundant petals, and long flower stems).
a) PPSSLI x ppSsll
b) PPSSLL x PpSsll
c) ppSsLl x PPSSLI
Transcribed Image Text:vicketismarlq abrindoni
A CAS -ySU: MorKA Wes Landing MorxO CAN Selecton
196/le/915926module temid201329
*G S +
a) PPSSLI x ppSs/l
/2 Pp.
violet >IS
patals, long
longstamens
patals
simall & aburdout
peta is
1/2el
short stamens
→リ4P?5-ll
violet'a sumali 4 abúráost petals,
z pp 7 i S-
white,
petais
icng stimens
/2 el
shorf stamens
Short stcimens
?4 pps-Le
whitet sit ail åa
chnidantpetals,
small f abundant
poidls
whitetsimai & absidest petals;
short staimens
* Tofal 4i4 =1
b) PPSSLL x PpSsll
Type here to search
Must have THREE things at each branch point of a
branched diagram:
1)
Fractional proportion
2)
Genotype
(AA and Aa should always be combined as A__)
3) Phenotype
* ALL fractional proportions should add up to 1; IF they
DON'T, you have done something wrong.
Expert Solution
Step 1
A genotype is an individual's collection of genes.
A phenotype is an individual's observable traits, such as height, eye color, and blood type.
Step by step
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