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Blababa [14]
3 years ago
9

Where does fusion or fission takes place? X or Y

Biology
2 answers:
r-ruslan [8.4K]3 years ago
4 0
X comes before y have a great day hope you get a good grade
Radda [10]3 years ago
3 0

Answer:

so x comes before y

Explanation:

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In a dihybrid cross involving two autosomal traits on different chromosomes in which the parents are purebred for the opposite f
Simora [160]

Answer:

The question lacks options, the options are:

A) 1 out of 16

B) 3 out of 16

C) 6 out of 16

D) 9 out of 16

The answer is 1 out of 16

Explanation:

This is a DIHYBRID cross because it involves two different genes coding for distinct traits. One of the traits will be dominant while the other recessive. Hence, parents that are purebred for opposite forms of the trait means that one parent is homozygous dominant while the other is homozygous recessive. When these two parents cross, they produce F1 offsprings that all possess the dominant trait but heterozygous/hybrids.

When these hybrids are self-crossed, they produce four different combinations of gametes which when crossed using a punnet square will result in F2 offsprings with a 9:3:3:1 phenotypic ratio according to Mendel's observation.

9 represents offsprings that are dominant for both traits

The two 3's represents offsprings that are recessive for one trait and dominant for the other respectively.

1 represents offsprings that are homozygous recessive for both traits.

Hence, 1 out of 16 offsprings will be homozygous recessive for both traits.

4 0
3 years ago
A toy car moves 3.5 m on a<br> ramp with a force of 5.5N. How much work does the toy car do?
Paha777 [63]

Answer:

W=  19.25J

Explanation:

W= F × d     Equation

W= 5.5 × 3.5  Put numbers into variables

W=  19.25J     Multiply and put in correct measurement

5 0
3 years ago
How do you clam and earthworm organs differ
-Dominant- [34]

Answer:

The marine clamworm, Nereis, is carnivorous therefore its digestive system differs from that of the herbivorous earthworm, Lumbricus. The mouth and jaws are retractable (Figure 8, 9). If the jaws are retracted, cut along the midline of the pharynx and pull the jaws out with a pair of forceps.

Explanation:

hope it helps:>

5 0
2 years ago
N pea plants there is complete dominance for the trait of flower color. the p allele produces purple flowers and p produces whit
Reptile [31]
PP-  purple homozygote
pp- white homozygote
Pp- purple hetrozygote

If these flowers cross, we obtain heterozygote offsprings with a genotype: Pp (100% of them will be like this)

Now, if those offsprings cross with each other: Pp x Pp
results:
  1/4 would be purple  homozygote -> PP
  1/4 would be white -> pp
  2/4 would be purple heterozygotes -> Pp
Genotipic ratio: 3:1 (3 are purple; 1 is white)
7 0
3 years ago
Gravity is important not only for life on Earth, but for the makeup of the entire galaxy. Gravity holds our solar system and gal
MAVERICK [17]

That Jupiter, Saturn, Uranus, and Neptune are the outer planets and the other planets are the 4 inner planets.

3 0
3 years ago
Read 2 more answers
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