Meiosis + Mendel

Homozygous is when...

• the alleles are the same
• the alleles are different
• the alleles are absent
• the alleles are present

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

• recessive
• dominant
• lower case letter
• both 

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many pairs of chromosomes are in your cells?

• 23

• 46

• 13

• 42

Which of the following is homozygous dominant?

• A

• Aa

• AA

• aa

Which of the following is homozygous recessive?

• Tt

• tt

• TT

• T

What is the genotype for a male human (boy)?

• XX

• XY

_____________________ is the appearance of an organism, or how it looks

• phenotype

• mutation

• genotype

• heredity

What are alleles?

• different versions of a gene

• different genes

• different chromosomes

• different cells

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is a genotype?

• The combination of alleles in an organism

• What you look like

• The combination of alleles in a whole species

• What your parents look like