A diploid organism
a. contains several copies of the same
chromosomes.
b. contains only autosomes.
c. contains one copy of each chromosome.
d. contains chromosomes that all have the
same size.
e. contains two of each type of chromosome
E
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What is true for both male and female gametogenesis?
_____ Gametes are produced by meiosis. _____ Gametes develop in the gonads. _____ Primary cells are haploid. _____ Each primary cell results in four gametes.
The scientific name of an organism is composed of two names. The first part identifies the ____ while
the second part designates the ____.
a. genus; species b. species; genus c. genera; genus d. phylum; species e. family; genus
A pure-breeding fruit fly with curled wings mates with a pure-breeding fruit fly with normal (straight) wings. The F1 mate with each other to produce an F2 generation that consists of 160 flies with curled wings and 80 with straight wings. What can you infer from this observation?
A) Curled wings is a recessive trait. B) The dominant curled wing allele is also a recessive lethal. C) Wing shape is controlled by two codominant alleles. D) Two interacting genes determine wing shape. E) All of the hybrid F1 flies had straight wings.
How do fungi typically reproduce?
A. by spores B. by fruits C. by rhizomes D. by seeds