cross a homozygous tall yellow seeded plant with a homozygous short green seeded

Question

cross a homozygous tall yellow seeded plant with a homozygous short green seeded plant. this is called the p1 cross and it will produce f1 generation. tallness is dominant to shortness so use a capital T to represent tallness and a lower case t to represent shortness. Yellow seeds are dominant to green so use a capital Y to represent yellow seeds and lower case y to represent green seed.
1. what is the genotype of the tall plant? what about the short plant?
2. what gamates can the tall plant make? what about the short plant?
3. create a punnett square
4. what is the genotypic ratio of the f1 plants?
5. what is the phenotypic ratio of the f1 plants?

Explanation / Answer

cross a homozygous tall yellow seeded plant with a homozygous short green seeded plant.

TTYY X ttyy

TtYy

this is called the p1 cross and it will produce f1 generation. tallness is dominant to shortness so use a capital T to represent tallness and a lower case t to represent shortness. Yellow seeds are dominant to green so use a capital Y to represent yellow seeds and lower case y to represent green seed.

1. what is the genotype of the tall plant? what about the short plant?

genotype of the tall plant?-TT,Tt

the short plant? tt
2. what gamates can the tall plant make? what about the short plant?

T

what about the short plant? t
3. create a punnett square

4. what is the genotypic ratio of the f1 plants?

All are TALL AND YELLOW

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