1. Please consider the following pedigree. I 1 2 II 1 2 a) Assume that colour is controlled by a single sex-influenced gene where red is expressed preferentially in females. Individuals I-1 and I-2 are homozygous for green and red respectively. Which individual/s in generation II will be green? b) If colour is a controlled by cytoplasmic DNA, which individual/s in generation II will be green?
1. Please consider the following pedigree. I 1 2 II 1 2 a) Assume that colour is controlled by a single sex-influenced gene where red is expressed preferentially in females. Individuals I-1 and I-2 are homozygous for green and red respectively. Which individual/s in generation II will be green? b) If colour is a controlled by cytoplasmic DNA, which individual/s in generation II will be green?
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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Transcribed Image Text:1. Please consider the following pedigree.
I
1
2
II
1
2
a) Assume that colour is controlled by a single sex-influenced gene where red is expressed preferentially in females. Individuals I-1 and I-2 are homozygous for
green and red respectively. Which individual/s in generation II will be green?
b) If colour is a controlled by cytoplasmic DNA, which individual/s in generation II will be green?
Compare an autotetraploid and an allotetraploid to each other with respect to the characteristics listed below. Answer auto, allo, both or neither for each statement.
a) Fully fertile.
b) Originated from 2 different ancestral diploid species.
c) Contains 4 homologous copies of every chromosome.
d) Balanced and unbalanced gametes can form.
Transcribed Image Text:What type of chromosome or fragment cannot be formed by the following chromosome inversion heterozygote after segregation?
R
T.
1
1'
2
3
3'
4'
P S R Q I
А.
В.
T S R QT
Q R S P
C.
P QR ST
D.
P Q R ST
Е.
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