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Chapter:

Plant-Growth-and-Development

1. Assertion:  Holandric genes are found on Y chromosome.

Reason:  Inheritance of holandric genes are always from far to son.


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2. From pedigree chart of a family, one can make an analysis that it is on.

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3. The duplication of chromosomes occurs during _____


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4. A true-breeding tall, purple-flowered pea plant (TTPP) is crossed with a true-breeding dwarf, white-flowered plant (ttpp).
(a) What is phenotype of generation?
(b) What is genotype of generation?
(c) What four type of gametes are formed by  plants?
(d) Fill in given Punnett square to show offspring of  generation.
(e) List phenotype and ratios found in generation.

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5. Presence of which of following in cells of amniotic fluid is responsible for sex determination of embryo?


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6. Heterogametic male condition does not occur in ?