The probability that an individual who inherits an allele will have the phenotype associated with it is
a. pleiotropy.
b. genomic imprinting.
c. codominance.
d. penetrance.
e. linkage.
D
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A sequence similarity search reveals that a candidate gene’s sequence has a partial match to a known gene’s sequence
What does this most likely indicate?
a. There is no relationship between the candidate and known gene. b. The candidate gene encodes an identical transcript to the known gene. c. The candidate gene encodes the same protein as the known gene. d. The protein encoded by the candidate gene contains a protein domain also found in the known gene’s protein. e. The protein encoded by the candidate gene has the same function as the protein encoded by the known gene.
What is the purpose of prokaryotic DNA replication?
a. fertilization b. conjugation c. to make an extra copy of the chromosome prior to binary fission d. to polymerize additional genetic material to add to genetic variation
After fertilization, a zygote develops into a fully formed human in about 38 weeks. During which stage of development do cells begin to differentiate and form specialized tissues and organs?
A) first trimester B) second trimester C) third trimester D) at birth
Describe the mechanism by which heterochromatin can spread, once it has been established in one region of the chromosome
What will be an ideal response?