sarily the same alleles of those genes sister chromatids lleles at a ene locus GG Replication RR S S S mologous romosomes ve alleles for me genes at t T ecific loci. b. Sister chromatids of duplicated chromosomes have same alleles for each gene. T T
sarily the same alleles of those genes sister chromatids lleles at a ene locus GG Replication RR S S S mologous romosomes ve alleles for me genes at t T ecific loci. b. Sister chromatids of duplicated chromosomes have same alleles for each gene. T T
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,...
Related questions
Question
The image shows a homologous pair of chromosomes. Now imagine a crossing over event occurring between a chromatid on one chromosome and a chromatid on the other chromosome. This cross over occurs between the S and T loci. What are the genotypes of the two chromatids after the crossover?
ANSWER CHOICES
A. grsT and GRSt
B. impossible to know
C. grst and GRST
D. GrSt and gRsT

Transcribed Image Text:3.2.5 Homologous chromosomes carry the same sequence of genes but not
necessarily the same alleles of those genes
sister chromatids
alleles at a
Gg
G G
gene locus
Replication
Rr
RR
S
S S
a. Homologous
chromosomes
b. Sister chromatids
of duplicated
chromosomes
have same alleles
for each gene.
have alleles for
same genes at t T
specific loci.
TT
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