In a certain population of birds, 16 percent of the population have grey feathers and 84 percent have red feathers. If grey feathers is a recessive trait, what percentage of the population is heterozygous for this trait?
a. 20%
b. 32%
c. 48%
d. 64%

If grey feathers is a recessive trait, then 72.8% of the population is heterozygous for this trait.

Explanation:

The concept used here is of Hardy Weinberg principle, +2pq =1

The homozygous dominant genotypeis represented as = 84

Red = dominant

The homozygous recessive genotype trait is represented as = 16

grey = recessive

2pq = heterozygous individual

Thus for dominant homozygous the alleles are given as

p=

  = 9.1

q =

  = 4

for heterozygous individual 2pq

2 x 9.1 x 4

= 72.8

72.8% population is heterozygous for the trait.

answer: angiosperms

dicots

angiosperms are highly evolved plants, they produce seeds which are enclosed within in a carple. these are the largest group of plants on earth. they include trees, shrubs, herbs and small flowering plants. angiosperms exhibit a flowering stage in their life cycle. the flower serves the function of reproduction and fruit formation in majority of angiosperms. dicot is the term used to describe flowering plants that have two seed leaves. dicots are plants which develop seeds which split into two parts called cotyledons. each cotyledon contains one embryo.

here, a small purple flower development indicates that the plant belongs to angiosperms and having two embryonic leaves indicates it belongs to dicots.