Genetics CQE3 Question Preview (ID: 55471)


Genetics. TEACHERS: click here for quick copy question ID numbers.

If you crossed a tall plant TT and short tt, how many would be expected to be tall?
a) 100%
b) 25%
c) 50%
d) 0%

offspring that result from true-breeding parents of different traits are said to be
a) all homozygous dominant
b) all recessive
c) hybrids
d) are also true-breeding

In the P generation, a tall plant is crossed with a short plant, what is the probability that an F2 plant will be tall?
a) 75%
b) 25%
c) 0%
d) 100%

Organisms with 2 identical alleles for a trait are said to be
a) homozygous
b) heterozygous
c) hybrids
d) recessive only

organisms with 2 different alleles for a trait are said to be
a) dominant species
b) purebreds
c) homozygous
d) heterozygous

What principle states that during gamete formation genes for different traits separate without influencing each other’s inheritance?
a) principle of dominance
b) principle of independent assortment
c) principle of genetics
d) principle of mitosis

This shows an organisms genetic makeup
a) phenotype
b) principle of independent assortment
c) genotype
d) principle of dominance

If you crossed a blue plant BB with a white plant bb, how many will be blue?
a) 0%
b) 100%
c) 50%
d) 25%

A dominant allele will always show over a recessive allele. This is which principle?
a) principle of independent assortment
b) principle of genetics
c) principle of alleles
d) principle of dominance

A white plant ww is crossed with another white plant ww. What percentage will be white?
a) 100%
b) 50%
c) 25%
d) 0%

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