Heredity/genes and alleles

An organism that has two identical alleles for a trait is said to be what?

• Hybrid
• Co-dominant
• Homozygous
• Heterozygous

Two useful terms that geneticists use are?

• Phenotype and Kenotype
• Kenotype and Genotype
• Genotype and Phenotype
• Domininant and Kenotype

How much of your DNA do you inherit from your mom?

• 10%
• 25%
• 50%
• it varies

An organism that has two different alleles for a trait is?

• Alleles 
• Co-Dominant
• Homozygous
• Heterozygous

An organism's physical appearance or visible traits...

• genotype
• inherit
• gene
• phenotype

True/False: The passing of traits from one parent to offspring is heredity.

• False
• True

The scientific study of heredity.

• Mendel
• Genetics
• Traits 
• Recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

When a pea plant has two dominant alleles for tall stems, its alleles are written as _______ .

• Tt
• tT
• tt
• TT

Dimples are a dominant trait in humans.  Which of the genotypes below      could be found in the cells of individuals with dimples?    
(D= Dominant Allele,
d= recessive allele)

• dd only
• DD, dd
• DD, Dd
• Dd only

How many alleles are given to an organism from each parent for each trait that are controlled by a single Gene?

• All of them
• Two
• One
• Three