Extra Credit 5.1 Quiz

A pair of identical chromosomes shown in a karyotype, one inherited from mom, and one inherited from dad are called

• sister chromotids

• centromeres

• homologous chromosomes

• autosomes

A normal human has ___ pairs of autosomes and ___ pair(s) of sex chromosomes.

• 23,1
• 22,1
• 1, 22
• 1, 23

What is the gender of the individual whose karyotype is seen in the image?

• Male
• Female

Based on the karyotype, what is the sex of this baby?

• Male

• Female

Tags

NGSS.HS-LS3-1

In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?

• 0%
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-3

In labrador retrievers the allele for a black coat color (B) is dominant over the allele for a brown coat color (b). If a brown labrador retriever is crossed with a heterozygous black labrador retriever, which of the following genotypic ratios can be expected?

• 0 BB: 2 Bb: 2 bb

• 1 BB: 2 Bb: 1 bb

• 2 BB: 0 Bb: 2 bb

• 2 BB: 1 Bb: 0 bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Albinism is an autosomal recessive condition. Which circle graph shows the genotype probability when an albino female mates with a male that is heterozygous for the albinism trait?

• 
• 
• 
• 

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

NGSS.HS-LS3-3

In which phase does the cell spend most of it's life?

• Interphase
• Nuclear Division
• Telophase
• Mitosis

What is this phase of mitosis?

• Prophase

• Metaphase

• Anaphase

• Telophase

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