Meiosis/Karyotypes

What is the haploid number for this Karyotype?

• 26
• 27
• 52
• 54

Which of the following is a true statement about gametes?

• In humans, there are 22 autosomes in a gamete.

• Gametes have a diploid number of chromosomes.

• Gametes are body cells

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

A diploid cell of a normal male human contains 

• 22 autosomes and two Y-chromosomes.
• 22 pairs of autosomes and two Y-chromosomes.
• 22 pairs of autosomes, one X and one Y-chromosome
• 22 autosomes and two X-chromosomes

Tags

NGSS.HS-LS3-1

How many cell divisions does meiosis have?

• 1
• 2
• 4
• 0

Which is the correct sequence? 

• mitosis - gametes - zygote - meiosis - fertilization - embryo
• Fertilization-mitosis-zygote-gametes-meiosis-embryo
• meiosis-zygote-gametes-mitosis-fertilization-embryo
• meiosis-gametes-fertilization-zygote-mitosis-embryo

A zygote has 4 chromosomes, how many chromosomes were in the gametes?

• 2
• 4
• 8
• 1

Tags

NGSS.HS-LS3-2

The two parts of a double-stranded chromosome are held together by a... 

• Nucleolus
• spindle fiber
• centromere
• centriole

What chromosome is affected by Down's Syndrome?

• 23
• 18
• 13
• 21

 Turner's Syndrome is monosomy of which chromosome?

• 18
• 21
• sex chromosome
• 13

What would indicate a human male?

• XX
• X
• XY
• XXY