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d1i1m1o1n [39]
3 years ago
12

20 points help!!!!!

Biology
2 answers:
elena55 [62]3 years ago
8 0

Answer:

a) The possibility that the offspring will have purple flowers is 100%

b) The possibility of homozygous dominant genotype for the flowers will be 0%

Explanation:

a)

Given

"P" is the dominant allele representing the purple color

"p" is the recessive allele representing the white color

When "PP" is crossed with "pp", the following offsprings are produced

P P

p Pp Pp

p Pp Pp

All the the "Pp" have purple color as "Allele P" (Purple color) is dominant over "Allele p" (white color)

Thus, the possibility that the offspring will have purple flowers is 100%

b)

Given

Offspring produced in part (a) mates with "pp" i.e "Pp" mates with "pp"

Now, when "Pp" mates with "pp" following offsprings are produced

P p

p Pp pp

p Pp pp

Thus, out of four ofsprings there is no offspring which has homozygous dominant genotype (PP) for the flower.

Hence, the possibility of homozygous dominant genotype for the flowers will be 0%

Anon25 [30]3 years ago
7 0

A pea plant with genotype PP (purple flowers) mates with a plant with the genotype pp (white flowers). The dominant allele P codes for purple flowers. The possibility that the offspring will have purple flowers is <u>100%</u>. If an offspring from this cross mates with a pp, the possibility of homozygous dominant genotype for the flowers will be <u>50%</u>.

<em>The dominant allele for the flower is P, and the recessive allele for the flower is p. </em>

<em>The possible genotypes of the purple flower is; PP or Pp.</em>

<em>The possible genotype of the white flower is; pp.</em>

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