Chapter 12

An individual who is heterozygous for two genes is represented as

• Aabb

• AaBb

• aaBB

• aaBb

Brown eyes are dominant over green eyes. What would the phenotype be for an individual whose genotype is heterozygous?

• BB

• Brown

• bb

• Green

An example of polygenic inheritance is…

• Hitchhiker's thumb

• Skin Color

• Blood type

• Color of a flower

If a cell has a diploid number of 46, its haploid number would be

• 66

• 92

• 23

• 5

The chromosomes that pair up during meiosis, are called __________ chromosomes.  

• homozygous 
• asexual
• homologous
• genes

Tags

NGSS.HS-LS3-2

How many daughter cells are produced from meiosis ?

• 10
• 6
• 4
• 2

Tags

NGSS.HS-LS3-2

When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs

• crossing over
• mutagenesis
• hybridization
• fertilization

Tags

NGSS.HS-LS3-2

A plant that has yellow leaves was crossed with a plant that has green leaves. 50% of the offspring had green leaves and 50% had yellow leaves. What were the GENOTYPES of the parents?

• Gg x gg

• Gg x Gg

• GG x gg

• GG x YY

What type of inheritance do two alleles have if their traits blend together? 

• Incomplete Dominance
• Co-Dominance
• Mendelian Inheritance
• Homozygous Inheritance

This type of inheritance pattern shows BOTH traits in possible offspring

• complete dominance
• incomplete dominance
• co-dominance
• dominant pattern

Tags

NGSS.HS-LS3-1