Question

please help me with these two
1. What does the symbol TT mean to someone who studies genetics?

a heterozygous
b a phenotype
c purebred
d hybrid

2.
Marty is a rat that has a long tail (T). He is heterozygous for this trait. Missy is a rat without a tail (t), so she is homozygous recessive.

If Marty and Missy had a baby rat, what would its chance be of having a long tail?

a 0% chance of having a long tail
b 50% chance of having a long tail
c 75% chance of having a long tail
d 100% chance of having a long tail

Answer 1

https://www.jiskha.com/questions/1822365/what-does-the-symbol-tt-mean-to-someone-who-studies-genetics