Genetics Test 2 Question Preview (ID: 1704)


Unity And Diversity.

Haploid numbers of chromosomes are usually found in the ***** of an organism.
a) tissues
b) body cells
c) sex cells
d) zygotes

Each human skin cell has ****** pairs of chromosomes.
a) 13
b) 18
c) 23
d) 46

The passing of traits from parents to offspring is ********
a) probability
b) heredity
c) recessive
d) meiosis

If you cross two rabbits that have the genotype Bb, how many possible genotypes can be found in the offspring?
a) one
b) two
c) three
d) four

Of the following, which is NOT a human blood phenotype?
a) O
b) AB
c) B
d) C

******* used plants to study the way traits are passed from parents to offspring.
a) Mendel
b) Punnett
c) Sutton
d) Allele

The set of instructions for each characteristics donated by the parent to the offspring is called****
a) mitosis
b) genes
c) heredity
d) meiosis

For the cross, pp (a white flower) and PP (a purple flower); what would the phenotype be?
a) all white
b) all tall
c) all purple
d) 1/2 white, 1/2 purple

In meiosis,
a) the chromosomes are copied twice.
b) the nucleus divides once.
c) four cells are produced from a single cell.
d) All of the above.

If you cross a white flower, pp, with a purple flower, PP, the possible genotypes of the offspring are
a) PP and pp
b) all Pp
c) all PP
d) all pp

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