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laiz [17]
4 years ago
9

A student is observing different structures of a seed plant during a lab activity. She has identified tiny structures that look

like powder. Which structures did the student most likely identify?
Biology
1 answer:
belka [17]4 years ago
8 0

Answer:

The structures that look like powder that the student identified when studying a seed plant are most likely pollen grains.

Explanation:

Angiosperms is the name given to plants with seeds, whose characteristic is to reproduce with seeds, in addition to having flowers that have pollen grains.

The pollen is a very small particle -similar to dust- that seed plants present and that corresponds to the male gametophyte of the plant, the haploid phase of the reproductive cycle of them.

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Model: To determine the probability of a trait combination such as black fur and red eyes consider each trait separately. Fill i
Yuki888 [10]

Answer:

3/8

Explanation:

I think I can help with completing the question.

Above each punnet square, the genotypes of the parents were given right? something like this:

Parent 1 fur genotype: Ff                             Parent 1 eye genotype: Ee

Parent 2 fur genotype: Ff                            Parent 2 eye genotype: ee

       F         f                                                              E        e

F     FF       Ff                                                    e     Ee      ee

f      Ff        ff                                                     e     Ee      ee

Probability of black fur if dominant is:               Probability of red eyes:

    3/4                                                                       2/4= 1/2

Probability of a trait combination such as black fur and red eyes is

3/4*1/2 = 3/8.

6 0
4 years ago
A plant can have either broad leaves (B) or narrow leaves (b). A plant with genotype Bb is crossed with a plant with genotype Bb
aleksley [76]

Answer:

A

Explanation:

B b

B "BB"- "Bb"

b "Bb"- "bb"

3 0
2 years ago
When caterpillars ingest a particular african plant it causes the butterfly after metamorphosis to produce 2 heads and die short
Bond [772]

Answer:true:))

Explanation:I don’t know how to find this information but I put true on the test and got it right:)

7 0
3 years ago
What type of rock me are formed by processes powered by the sun?
professor190 [17]

Metamorphic Rocks!

hoped this helped!!

5 0
4 years ago
Read 2 more answers
What phenotypic ratio would one would expect from crossing two heterozygous smooth kernel corn plants that show mendelian inheri
ExtremeBDS [4]

Answer:

Smooth kernel corn plant : wrinkled  kernel corn plant = 3:1

Explanation:

Mendelian inheritance follows the laws of segregation and independent assortment. Thus, there exists neither  co-dominance nor incomplete dominance.

Let the allele for smooth kernel trait of corn plants be represented by "S"

and the allele for wrinkled kernel trait of corn plants be represented by "s"

The genotype of  heterozygous smooth kernel corn plants  will be "Ss"

The offspring produced by crossing two heterozygous smooth kernel corn plants would be -

Ss * Ss

SS, Ss, Ss, ss

Out of four offspring , one offspring is  homozygous smooth kernel corn plant

Two offspring are heterozygous smooth kernel corn plants

and the remaining last offspring is  homozygous wrinkled  kernel corn plant

The phenotypic ration is

Smooth kernel corn plant : wrinkled  kernel corn plant = 3:1

6 0
3 years ago
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