Genetics practice

What is a phenotype

• The genetic make up (code)
• The physical trait

Term for an organism that display two dominant phenotypes at the same time

• codominance
• incomplete dominance
• multiple alleles
• linked genes

Sex cells are produced through the process of

• mitosis
• cytokinesis
• binary fission
• meiosis

What does heterozygous mean?

• An organism that has the same alleles for a trait (TT or tt)

• An organism that has different alleles for a trait (Tt)

• When neither allele is fully dominant; offspring is a mixture of both

• the different forms of a trait (hair color--> brown, blonde, red

Tags

NGSS.HS-LS4-3

Incomplete dominance means that the traits are

• expressed equally
• dominant
• recessive
• blended

Which of the following is homozygous dominant?

• Yy
• Y
• yy
• YY

Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.

• DNA
• protein
• RNA
• glucose nucleic acid (GNA)

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

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

• homozygous
• heterozygous
• different
• homologous 

The exact genetic makeup of an organism, such as RR, Tt, PP is its?

• phenotype
• dominance
• genotype
• trait