Multiple Choice
The finding that homeotic genes are present in both mammals and insects indicates that these genes must
A) control the same traits.
B) be on the same chromosomes.
C) have arisen very early in the evolutionary history of animals.
D) have developed independently and simultaneously.
E) have been transmitted into mammals by an insect bite.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Very early in development,each cell is capable
Q2: In C.elegans ced-9/ced-3 double mutants<br>A)131 cells always
Q3: The main difference between therapeutic cloning and
Q4: What are the characteristics of stem cells?
Q5: In insects,the passage from one body form
Q7: Plants have special groups of self-renewing cells
Q8: Egg cells were combined with this cell
Q9: In Drosophila,the cells created by cleavage contain
Q10: A zygote initially divides into smaller cells,each
Q11: A fly embryo that expresses the bicoid