What is the difference between heterozygous and homozygous individuals?

1,019 views · Published 23 October 2015 · 6:08 · Indexed 14 November 2026

Channel: Nikolay's Genetics Lessons · 2015 · Education

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What is the difference between heterozygous and homozygous individuals?

a) The homozygote will express the dominant trait and the heterozygote will express the recessive trait.


b) All of the gametes from a homozygote carry the same version of the gene while those of a heterozygote will differ.


c) Homozygotes have one chromosome while heterozygotes have two similar chromosomes.


d) Heterozygotes carry two copies of a gene while homozygotes only carry one.

When constructing a Punnett square, the symbols on the outside of the boxes represent _______, while those inside the boxes represent _______.
a) gametes, progeny
b) gametes, parents
c) progeny, gametes
d) parents, gametes

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