In cats, normal tails (T) are dominant over bobtails (t) in cats. Which of the following genotypes would present a normal tail phenotype?

All of the following would be considered homozygous dominant genotypes EXCEPT:

All of the following would be considered homozygous recessive genotypes EXCEPT:

SpongeBob Squarepants has a yellow color. Yellow (Y) is dominant to blue (y). SpongeBob’s genotype must be:

In a monohybrid cross, there are __ trait(s) and ___ allele(s).

A.

B.

C.

D.

In order to produce gametes, a parent must go through ___ phase to duplicate the DNA and meiosis to produce ___ daughter haploid cells.

In dogs, the gene for fur color has 2 alleles. The dominant allele (F) codes for gray fur and the recessive allele (f) codes for black fur. If a dog has the genotype Ff, the phenotype is:

In pea plants, purple flowers (P) are dominant over white flowers (p), and tall plants (T) is dominant over short plants (t). If a parent is heterozygous for both traits, (PpTt), which of the following alleles could NOT be found in a gamete?

In a dihybrid cross, there are __ trait(s) and ___ allele(s).

In pea plants, green seeds (G) are dominant over yellow seeds (g), and tall plants (T) is dominant over short plants (t). If a plant has green seeds and is tall, which of the following would NOT be a possible genotype?