Question

Create a punnett square for the following showing probability genotype and phenotype identify homozygous and heterozygous

Answer 1

Brown Dog (homozygous ressesive) vs black dog (homozygous dominant)

Answer 2

Hairy creature (homozygous ressesive) vs Bakd creature (heterozygous dominant)

Answer 3

@dan815 @jdoe0001 @kirbykirby

Answer 4

Firstly, you need to know what homozygous means, the prefix, "homo" means same. That means that you have two of the SAME alleles.
Recessive, is usually depicted with lower case, while dominant, is capital.

In this example, you can say Black = B while brown = b
If you have homozygous recessive, you have: bb


Can you finish thie problem now?

Answer 5

Mostly sorry if i might need help im not good at heredity and science

Answer 6

Doesnt the Dominant go first so it would be Bb in the first square?

Answer 7

@abb0t

Answer 8

Yes. You're combining each of them together. So, it would be Bb, yes.

Answer 9

Thank you!

Answer 10

For the second example, keep in mind that heterozygous, "hetero" means \(\sf \color{red}{different}\). That means you will have two different aleles.

Answer 11

So itwould be Hh and Bb?

Answer 12

I would keep it consistent with the lettering, assuming mendelian traits, and not taking into consideration deviations from mendelian trends, such as incomplete dominance.

Im guessing you meant naked vs. hairy?

Try: hh x Hh

You have homozygous \(recessive\): hh
remember homo = same
and heterozygous dominant, which means you have Hh (two different alleles) but dominant meaning that "naked" dominates. The "H" allele dominates over the recessive allele to give naked, instead of recessive hairy.