2.2.6

Julie learned that curly hair is dominant over straight hair. She began to wonder if two parents with curly hair could produce offspring with straight hair. Which of the following punnett squares shows curly haired parents that can produce offspring with straight hair?

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Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the yellow dot in the middle of this picture? 

• Chromatid

• Chromosome 

• Centromere

What process occurs during meiosis that can result in chromosomal disorders?

• crossing over

• non-disjunction

• anaphase I

• prophase II

Tags

NGSS.HS-LS3-2

this is an ________________ chromosome

• metacentric

• acrocentric

• submetacentric

• telocentric

By looking at the chromosomes is this individual biologically male or female? How do you know?

• Female, because they have two X chromosomes

• Male, because they have one X and one Y chromosome

Tags

NGSS.HS-LS3-1

By looking at the chromosomes how can you tell that this person is biologically female?

• Because there are two X chromosomes

• Because there are more chromosomes than in a male

Tags

NGSS.HS-LS3-1

This image shows chromosomes during Prophase 1. Which of the following correctly describes the process shown?

• segregation of sister chromatids

• condensation and segregation of alleles

• mutationin which the DNA content of the gene is altered

• crossing - over in which alleles are exchanged

What phase is shown here?

• Telophase II

• Anaphase II

• Metaphase I

• Interphase I

Tags

NGSS.HS-LS1-4

What is the name of the structure labeled X?

• Centriole

• Centrosome

• Chromatid

• Chromosome 

Tags

NGSS.HS-LS1-4

This is known as Edwards Syndrome, can you identify the chromosomal mutation?

• Chromosomes 1 and 2 are bent

• There is no Y chromosome

• This persons chromosomes are normal

• There are 3 of chromosomes 18

Tags

NGSS.HS-LS3-2