Biology Spring Final Review (Cumulative)

TT,tt,PP,pp,SS,ss are examples of alleles that are?

• homozygous
• heterozygous
• different
• homologous 

"The Great White Shark was 20 feet in length.  Phenotype or Genotype?

• phenotype
• genotype

having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

having two different genes for a trait (sometimes called hybrid).

• protein
• homozygous
• heterozygous
• genotype

What are the possible combinations of a pea plant with the alleles PP and a male pea plant with the alleles pp.
P= purple
p= white

• all Pp
• all PP
• Pp,PP,Pp,PP
• all pp

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following genotypes is heterozygous?

• Bb
• BB
• bb
• B

An allele or gene that always shows is

• recessive
• dominant
• hidden
• present

What ratio of the offspring from the cross shown will be homozygous recessive for the  trait of tallness? 

• 0 in 4
• 1 in 4
• 2 in 4
• 4 in 4

Tags

NGSS.HS-LS3-1

Match the following terms to their examples

• bb

• Heterozygous

• BB

• Homozygous Recessive

• Bb

• Homozygous Dominant

In leopard geckos, the trait for having spots (S) is dominant to not having spots (s). If a purebred spotted male mated with a female with no spots, what is the probability of having a child with no spots.

• 0%

• 50%

• 100%

• 25%