A testcross consists of
1.a cross of two pure-breeding forms to find out which form of a gene is dominant.
2.a cross between two unknown forms to determine their genotypes.
3.a cross between an offspring and its parent.
4.a cross of an F1 hybrid to an individual that is homozygous recessive.
5.a cross of two F2 individuals to produce an F3 generation.
4
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Transplantation of tissue from the same individual
What is the fate of most new mutations?
What will be an ideal response?
The autonomic nervous system ____
a. relays commands to somatic nerves b. is part of the central nervous system c. relays commands to smooth muscles d. is under voluntary control e. responds to sensation in the skin
The synthesis of an RNA molecule from a DNA template strand is called
a. replication. b. translation. c. transcription. d. DNA synthesis. e. metabolism.