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Biology-Related Homework Help Cell Biology Topic started by: sniper11b on Apr 5, 2013



Title: All of the offspring from a test cross show a dominant trait. What is the genotype of the parent in question?
Post by: sniper11b on Apr 5, 2013
All of the offspring from a test cross show a dominant trait. What is the genotype of the parent in question?

A. heterozygous dominant
B. homozygous recessive
C. heterozygous recessive
D. homozygous dominant


Title: All of the offspring from a test cross show a dominant trait. What is the genotype of the parent in question?
Post by: snowflake on Apr 5, 2013
D. homozygous dominant.

TT x tt gives all Tt.


Title: All of the offspring from a test cross show a dominant trait. What is the genotype of the parent in question?
Post by: topogigio on Apr 5, 2013
(D).  
NN producees N gametes; nn produces n gametes
_____N___
n___Nn___