What does the notation TT mean to geneticists?

two dominant alleles

two recessive alleles

heterozygous alleles

one dominant and one recessive allele***

If one _____ is present, its traits will appear in the organism.

single allele***

recessive allele

dominant allele

parental allele

Both are incorrect, try re-reading your text again and then tell me what you think again.

well the problem is I don't have one.

do you know a website that has some info about it?

What do you mean "don't have text"? Surely you must have something else you can refer to.

And, I can't give websites out. Since I'm not a teacher here, I'm not allowed to post websites.

[Cardinary, you can't post links, but you can post URLs. Just omit the https://
Writeacher]

I have make up work but only came with the questions not any text to refer to.

I asked for it, but I never got it.

both are c

Are you guessing?

@Adamissmart, please take some time to look up genes and alleles. Then come back and tell me what you think.

I know the second one is c

When you don't have a text (??), use these websites:

https://www.google.com

https://www.khanacademy.org/
Click on courses and then choose what you need to read and study.

https://www.wolframalpha.com

1.a

2.c

Right.