4 Slides • 11 Questions

SEX DETERMINATION

Human beings have 46 chromosomes in each cell. The males have XY sex chromosomes, whom produce gametes with X and Y chromosome, while females have the XX chromosomes. The sex of a child is determined by the type of chromosome he/she is receiving from the father. If sperm carries the X chromosome, then the child will be a girl, while a sperm that carries Y chromosome will be a boy.

2

PART 1

Study the punnett square showing a cross of male and a female sex chromosomes.

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PART 2

Express your agreement or disagreement on each of the statement on the next slide.

10

Multiple Choice

The two male sex chromosomes are XY.

1

agree

2

disagree

11

Multiple Choice

Female always gives an X chromosome during fertilization.

1

agree

2

disagree

12

Multiple Choice

The sex of the child produced when an egg is fertilized by a sperm carrying a Y chromosome is female. .

1

agree

2

disagree

13

Multiple Choice

Male sex chromosome determines the sex of an offspring.

1

agree

2

disagree

14

Multiple Choice

If X chromosome is given by male and X from female, couple will have a baby girl.

1

agree

2

disagree

15

END OF ACTIVITY 2

SEX DETERMINATION

Human beings have 46 chromosomes in each cell. The males have XY sex chromosomes, whom produce gametes with X and Y chromosome, while females have the XX chromosomes. The sex of a child is determined by the type of chromosome he/she is receiving from the father. If sperm carries the X chromosome, then the child will be a girl, while a sperm that carries Y chromosome will be a boy.

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