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What is one way master control genes or homeotic genes could have affected evolution?
through small changes in timing during embryonic development.
The study of early life stages has revealed the conservative nature of the genes responsible for what?
embryonic development
What role do genetics and environment play in the development of an organism?
Everything that happens in an organism, including its development, depends upon a complex series of biochemical reactions, and those reactions in turn are controlled by proteins which are synthesized by genes.
The hox genes are a series of genes that control?
The sequential development of an animal's basic body plan
Are genes transmitted only during sexual reproduction?
Genes are transmitted during sexual and asexual reproduction.
Genes located in different regions of the body during embryonic development may be what?
turned on and off
What is one way master control genes or homeotic genes could have affected evolution?
through small changes in timing during embryonic development.
Why are Hox genes thought to play an important role in the development of different morphologies?
Hox genes are a group of related genes that specify the anterior-posterior axis and segment identity of metazoan organisms during early embryonic development. These genes are critical for the proper number and placement of embryonic segment structures (such as legs, antennae, and eyes).
One way master control genes or hox genes could have affected evolution is?
Through small changes during embryonic development that led to different body plans
The study of early life stages has revealed the conservative nature of the genes responsible for what?
embryonic development
In humans the embryonic and fetal forms of hemoglobin have a higher affinity for oxygen than that of adults This is due to?
nonidentical genes that produce different versions of globins during development.
What are Hox genes?
Hox genes are a group of related genes that are specific for the anterior and posterior axis of an organism in embryonic development. They assist in the formation of segments in the developing animal.
What happens to Genes located in different regions of the body during embryonic development may?
the options are a. turned on and off b. never turned on c. turned on and left on d. activated for only a short time in one cell and a long time in another cell e. all of these
Genes located in different regions of the body during embryonic development may be which turned on and off never turned on turned on and left on activated for different times in different cells or all?
All of the above
How do embryonic cells acquire their fate?
the fate of embryonic cells is in the hands of genes. they are responsible for the embryonic cells differentiation. if clitoris develops, penis is formed and male is produced. if clitoris is suppressed, vagina is formed and female is produced.
Why do all vertebrates very similar forms during development?
The Genes that control development in different vertebrates are only slightly different from each other
Why do all vertebrate's have very similar forms during development?
The Genes that control development in different vertebrates are only slightly different from each other
