Punnett Square (BIO BLITZ)

What is the phenotype of the heterozygous parent in the punnett square?

• green

• yellow

• hybrid

• purebred

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is an allele?

• A type of genetic disorder

• A variant form of a gene

• A structure found in the cell nucleus

• A type of protein that affects gene expression

Tags

NGSS.HS-LS3-2

What does the term "phenotype" refer to?

• The genetic makeup of an organism

• The physical appearance of an organism

• The location of a gene on a chromosome

• The number of chromosomes in an organism

What is a genotype?

• The physical traits of an organism

• The set of alleles that an organism has

• A type of genetic disease

• The study of genes and their functions

Tags

NGSS.HS-LS3-2

What does it mean if an organism is homozygous for a trait?

• It has two different alleles for a trait

• It has two identical alleles for a trait

• It expresses a recessive trait

• It can pass on only one type of allele for a trait

What does heterozygous mean?

• Having two identical alleles for a particular gene

• Having two different alleles for a particular gene

• Having only one allele for a particular gene

• Having no alleles for a particular gene

In a Punnett Square, what does each square represent?

• A possible genotype of the parents

• A possible phenotype of the offspring

• A possible genotype of the offspring

• The actual genotype of the parents

If a plant is heterozygous for a trait (Tt), what are the possible allele combinations it can pass to its offspring?

• TT and tt

• T and t

• TT only

• tt only

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the probability of producing a homozygous recessive offspring from a cross between two heterozygous parents (Tt x Tt)?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-3

Which of the following is an example of a phenotype?

• Blood type A

• Blue eye color

• Bb genotype

• Allele for tall height

Tags

NGSS.HS-LS4-4