Main Idea Details
134 Genetics and Biotechnology
Test Cross
I found this information
on page.
Analyze the use of a test cross to determine the genotype of a
yellow flower by completing the prompts. The first one has been
done for you.
The genotype of the white flower: yy
Possible genotypes of the yellow flower:
Possible
Phenotypes
Possible
Genotypes
offspring if the
yellow flower is
heterozygous
offspring if the
yellow flower is
homozygous
Create a Punnett Square that shows the result of each test cross.
Summarize how test crosses work by using the words genotype
and phenotype to complete the sentence.
In a test cross, the of the offspring can reveal
the of the parents.
Section 13.1 Applied Genetics (continued)
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Selective breeding practices have been used since ancient times.
Provide specific examples where selective breeding has resulted in plants or animals
that are familiar to us today.
(^) CONNECT
Heterozygous: Homozygous: