Q1 SCIENCE 9 SUMMATIVE TEST

Which of the following is a phenotype?

• AA

• AB

• Curly hair

• Gene

Which of the following non-Medelian patterns BEST represents the situation presented below?

• Codominance

• Multiple Alleles

• Incomplete Dominance

• Sex-linked traits

If a homozygous white flower (WW) is crossed with homozygous red flower (RR), what will be the possible genotypes?

• 4 RR

• 4 WW

• 4 RW

• 2 WW, 2 RR

The illustration below shows an example of what kind of non-Mendelian patterns of inheritance?

• Codominance

• Multiple Alleles

• Incomplete Dominance

• Sex-linked traits

A farmer mates yellow and white corn. All of the offspring have nearly even mix of yellow and white kernels. Which type of inheritance explains the relationships between the two alleles?

• Codominance

• Multiple Alleles

• Incomplete Dominance

• Sex-linked traits

A blood type that can donate red blood cells to anybody. It is a universal donor.

• A

• AB

• B

• O

What antigen/s are present in a person with type O blood?

• A

• AB

• B

• None

Which sex chromosome is present in both male and female?

• X chromosome

• X and Y chromosome

• Y chromosome

• Two X chromosome

Which sex chromosomes are present in female?

• YY chromosome

• X and Y chromosome

• Y chromosome

• XX chromosome

It is an example of X-linked trait in human.

• Asthma

• Hemophilia

• Anemia

• Hypertension