Lakhmir singh solutions
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Heredity and Evolution | Exercise

Question 16

(a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human (i) sperm cell, and (ii) zygote?

(b) What sizes of plants are produced if both parents have genes Tt?

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(a) (i) The number of chromosomes present in it will be 23 as the sperm cell will have half the number of chromosomes than present in a normal cell.

(ii) The number of chromosomes present in it will be 46 as the number of chromosomes in a zygote will be same as present in a normal cell.

(b) Tall and dwarf plants will be produced in the ratio 3:1

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Our top 5% students will be awarded a special scholarship to Lido.

subject-cta

Question 16

(a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human (i) sperm cell, and (ii) zygote?

(b) What sizes of plants are produced if both parents have genes Tt?

Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

(a) (i) The number of chromosomes present in it will be 23 as the sperm cell will have half the number of chromosomes than present in a normal cell.

(ii) The number of chromosomes present in it will be 46 as the number of chromosomes in a zygote will be same as present in a normal cell.

(b) Tall and dwarf plants will be produced in the ratio 3:1

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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