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riadik2000 [5.3K]
3 years ago
5

If a man is homozygous dominant for bend fifth finger and a woman is homozygous recessive what’s the probability that the offspr

ing has a fifth bend finger
Biology
2 answers:
amm18123 years ago
8 0
100% as all the offsprings will be heterozygous dominant.
Dafna1 [17]3 years ago
4 0

Answer:

There is 100 % probability that the child will have bend finger

Explanation:

According to the given information, the father is homozygous dominant (lets assume BB) for bend finger. The bend fifth finger is dominant trait. And the mother is homozygous recessive (bb) for the same trait.

All the gametes of the father would carry "B" allele while the egg cells from given mother would carry "b" allele. Random fertilization of these gametes will give rise to zygote with Bb genotype that will develop into a child with bend finger.

Hence, all of their children will have bend fifth finger.

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Briefly explain what happens during Meosis 2.
LiRa [457]

Answer:

So the cells that enter Meosis 2 are the ones that are made in Meosis 1. These cells are haploid meaning they have just one chromosome from each homologue pair. Also In meiosis II, the sister chromatids separate, making haploid cells with non-duplicated chromosomes.

Explanation:

Answer^Above

(BTW if the answer is good can u pls mark me Brainliest? Thanks!)

3 0
2 years ago
A rooster with gray feathers is mated with a hen of the same phenotype. Among their offspring, 15 chicks are gray, 6 are black,
m_a_m_a [10]

Answer:

Alleles for feather colour exhibit incomplete dominance or co-dominance.

50% gray offspring + 50% black offspring

Explanation:

<em>It means that the alleles for feather colour in the hen exhibit incomplete dominance or co-dominance over one another.</em>

Assuming the allele for white colour is B, white colour will be b while the heterozygote Bb gives the gray phenotype.

Gray rooster + gray hen = 15 gray chicks, 6 black chicks and 8 white chicks.

15:6:8 is roughly 2:1:1 which is phenotypic ratio obtainable from crossing two heterozygous individuals as pointed out by Mendel.

Bb   x   Bb = 1BB, 2Bb, and 1bb

Crossing the gray rooster (Bb) with a black hen (bb):

Bb   x   bb = Bb, Bb, bb, and bb

          = 2Bb (gray):2bb (black)

50% of the offspring will be gray while the remaining 50% will be black.

7 0
3 years ago
The equator is at what degree latitude
Ksenya-84 [330]

Zero degrees latitude is the line designating the Equator and divides the Earth into two equal hemispheres (north and south).

4 0
3 years ago
Read 2 more answers
JUST ONE PLZ!
statuscvo [17]

Answer:

Igneous

Explanation:

6 0
3 years ago
Fill in the blanks please help
vovikov84 [41]
Adaptions. Successfully. Characteristic. Environment. Natural. Poorly. Survive. Hope this helps!
4 0
3 years ago
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